1.She (go) camping tomorrow 2.the doctor (not/return) home late last night 3.He (write) a long novel since May 4.When i saw him yesterday ,he (sit) in a chair (Cho dạng đúng của động từ trog ngoặc)

đang cần gấp mong mọi người giúp

Four similar pens and three similar pencils cost $18. Four similar rulers and three similar pencils cost $12. The cost of three such pens and three such rulers is $13.50. Find the cost of each pencil.

Vẽ anime/chibi/phong cảnh ~ đẹp nhó ;-;~:>

Câu 15: Vào cuối mùa đông, nhiệt độ trung bình của miền Bắc là bao nhiêu độ C? Câu 20: Vì sao Huế có mưa nhiều vào các tháng 9, 10, 11?

1. Leonidas ________ the king of the Spartans. a. has been b. is c. was d.were 2. I _______ just __________ my dinosaur report. a. have finished b. am finishing c. finished d. was finishing 3. Look! My turtle ____________ lunch. a. was eating b. has eaten c. eats d. is eating 4. I was walking home, when the rain __________. a. started b. was starting c. is starting d. has started 5. Last year I _______ a tennis tournament. a. win b. was winning c. won d. have won 6. Over 40 years ago astronauts ________ on the moon. a. are landing b. were landing c. have landed d. landed 7. We __________ pizza for dinner right now. a. are having b. have had c. have d. were having 8._______ you ________ the e-mail yet? a. Are…sending b. Have…sent c. Do…send d. Did…send 9. Godzilla ________ at the cinema this week. a, was playing b.plays c. has playe. d. is playing10. Yesterday Greece __________ the USA. a. was beating b. is beating c. beats d. beat 11. Oh no! It _______________ at the moment. a. was raining b. rains c. is raining d. has rained 12. We _______ to school every morning. a. are walking b. walked c. have walked d. walk 13. My family __________ here since 2008. a. were living b. are living c. has lived d. live 14. ______ you ever _______to Disney World? a. Are… going b. Have…gone c. Did…go d. Do…go 15. My sister rarely __________ scary movies. a . watches b. is watching c. has watched d. was watching 16. Listen! A jet ______________ overhead. a. was flying b. is flying c. has flown d. flew 18. Martians __________ Earth 20 years ago! a. is visiting b. was visiting c. has visited d. visited 19. I ____________ any good movies lately. a. haven’t seen b. saw c. didn’t see d. don’t see 21. Martians always _________ in groups of ten. a. are traveling b. travel c. have traveled d. were traveling 22. I __________ this school for 5 years. a. have attended b. attend c. am attending d. was attending 23. Greece _________ the Olympic Games in 2004. a. hosts b. hosted c. have hosted d. are hosting 24. The World Cup _________ in Rio this summer. a. took place b. was taking place c. is taking place d. has taken place 25. Last night the Miami Heat _________ 120 points. a. is scoring b. scored c. has scored d. was scoring 26. How long _______ they _______ basketball? a. have… played b. are… playing c. do…play d. did …play 27. We often ________ cornflakes for breakfast. a. have had b. are having c. have d. were having 28. This is the first time I __________ fried shrimp. a. am trying b. try c. was trying d. have tried

Câu 1: Dựa vào Atlat Địa lí Việt Nam (trang 9) và kiến thức đã học, cho biết lượng mưa trung bình năm của Hoàng Liên Sơn đạt trung bình là bao nhiêu? Câu 2: Dựa vào Atlat Địa lí Việt Nam (trang 9) và kiến thức, cho biết nhiệt độ trung bình năm của không khí ở nước ta?

Which 2 ways would make the biggest difference to the teacher and learners? Why?

Khi nhiệt độ của một miếng nhôm thay đổi thì: A. thể tích của miếng nhôm thay đổi. C. KLR của miếng nhôm thay đổi. B. TLR của miếng nhôm thay đổi. D. cả ba phương án trên đều đúng.

Giải phương trình: sinxcosx=6(sinx-cosx-1)