Cho tam giác DEF vuông tại D. DE=12,EF=20.Kẻ đường cao DH a)cm: FD.ED=FE.DH b)Tính DF, EH,HF? c) kẻ HN vuông góc với DE tại N, HM vuông góc với DF tại M. Cm:tam giác DMN đồng dạng tam giác DEF

Exercise 12: Past Simple or Present Perfect: Give the correct form of the verbs. 11. The police................................ two people early this morning. (to arrest) 12. My bicycle isn’t here. I think someone................................ it. (just take) 13. Dan................................ two tablets this year. (already/to buy) 14. How many games................................ so far this season? (your team/to win) 15. ................... the CN Tower when you................... in Toronto? (you/to visit - to stay) 16. ................................ your homework yet? - Yes, I................................ it an hour ago. (you/to do - to finish) 17. There ................................an accident in High Street, so we have to use King Street to get to your school. (to be) 18. I................................ Peter since I................................ last Tuesday. (not/to see - to arrive) 19. Frank............................... his bike last May. So he............................... it for 4 months. (to get - to have) 20. I’m sorry, I................................ earlier, but I................................ a lot lately. (not/to write - to work)

Exercise 11: Give the correct form of the verbs in brackets. Film maker George Richards (1. be)........................... interested in the cinema since he (2. be)........................... a small child. He (3. make)............................ his first film when he (4. be)......................... just twelve years old. He is now almost forty and he (5. make) ......................... thirty films. George loves travelling. His work (6. take)......................... him all over the world. He (7. be)......................... to Africa, India, Australia, China, the USA and South America. Last year, he (8. visit)......................... Russia for the first time. George is married to the singer Kathy Burke. They (9. be)......................... married for ten years. They live with their two children on the Greek island of Kos. They (10. buy)......................... a house on the island in 1987 and they are still living there.

Exercise 7: Choose the best option to complete the sentence. 1. I guess it’s time to face the music now. How much money ..................... last night? It ..................... yours! A. you spend; wasn’t B. did you spend; wasn’t C. have you spent, has been D. have spent; hasn’t been 2. When I ..................... the radio on yesterday, I ..................... a song that was popular when l was in high school. A. turned; heard B have turned; have heard C. have turned, heard D. turned; have heard 3. Jack ..................... the room, I ..................... him because he ..................... totally different! A. entered, haven’t recognized; looked B. have entered; didn’t recognized; looked C. entered; didn’t recognize; looked D. entered; didn’t recognized; have looked 4. On the first night Mr. Smith ..................... his pupils a story and he ..................... like this, “Is here anybody who ..................... on a trip without parents?” A. have told; have started; have never gone B. told; started; have never gone C. told; started; never went D. have told; have started; never went 5. Last summer I ..................... a nice afternoon with a friend; we ..................... to the cinema, ..................... some shopping and ..................... a lot. A. spent; have gone; did; have talked B. have spent; have gone; have done; have talked C. spent; went; have done; have talked D. spent; went; did; talked 6. I ..................... in no mood to go to the cinema yesterday. I ..................... absolutely exhausted. A. was; was B. have been; have been C. has been; was D. haven’t been; was 7. Since I ..... acting, I ......in two plays, a television, commercial and a TV drama. A. begin; perform B. have begun; have performed C. began; have performed D. began; have perform8. l ..................... John today, but I ..................... him yesterday. A. didn’t see; saw B. haven’t seen; saw C. didn’t see; have seen D. haven’t seen; have seen 9. I ..................... my friend Jenny at university and we ..................... friends ever since. A. meet; remain B. met; have remained C. will meet; have remained D. met; remained 10. ..................... to Moscow? - Yes, I have. I ..................... there last year. A. Have you ever been; have been B. Were you; was C. Have you ever been; were D. Have you ever been; was

Exercise 6: Give the correct form of the verbs in brackets. 1. How many times (you/ be) ................................ to the cinema this month? 2. How many times (she/ go) ................................ to the cinema last month? 3. (you/ ever/ be) ........................................ to Russia? 4. (you/ go) ................................ to Moscow when you were in Russia? 5. (he/ do) ................................ his homework yet? 6. No, he still (not/ finish) ................................ it. 7. (you/ play) ................................ football when you were younger? 8. (ever/ you/ play) ........................................... baseball? 9. My life has been very sad because I(not/ ever/ be) ...................................... in love. 10. How (spend/ you/ usually) ..................................................... your weekend when you (be) ................................ a child?

Lm bài 4 giúp em Thì 50đ sẽ là của bn Y/C:TRÌNH BÀY, LM BÀI CHÍNH XÁC

Exercise 4: Choose the best options to complete the following sentences. 10. On Fridays and Saturdays, 100 ...................... for free chicken noodle soup are given to the poor by Mr. Khanh in Hanoi. A. coupons B. mentors C. tutors D. blankets 11. We are collecting ...................... and clothes for street children. A. dirty B. blood C. rubbish D. blankets 12. Many ...................... are ...................... to protect the environment. A. non-profit organizations – provided B. tutor – established C. non-profit organizations –established D. coupons –donated 13. This program will ...................... life skills for young people. A. provide B. be forced C. graffiti D. establish 14. She is very ...................... She always helps others. A. dirty B. kind-hearted C. charitable D. flooded15. Can you help me ...................... these clothes? A. tutor B. establish C. provide D. sort 16. Yesterday I went to work late because of a ...................... A. traffic jam B. rubbish C. mural D. flooded

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