giúp mình nha :< Hoàn thành các bài tập và các câu sau với thì hiện tại hoàn thành và quá khứ đơn Bài tập 1: 1) The police.........two people early this morning. (to arrest) 2) She.........to Japan but now she.........back. (to go - to come) 3) Dan.........two tablets this year. (already/to buy) 4) How many games.........so far this season? (your team/to win) 5).........the CN Tower when you.........in Toronto? (you/to visit - to stay) 6).........your homework yet? – Yes, I.........it an hour ago. (you/to do - to finish) 7) There.........an accident in High Street, so we have to use King Street to get to your school. (to be) 8) I.........Peter since I.........last Tuesday. (not/to see - to arrive) 9) Frank.........his bike last May. So he.........it for 4 months. (to get - to have) 10) I'm sorry, I.........earlier, but I.........a lot lately. (not/to write - to work) Bài tập 2: 1) Peter......... football yesterday. 2) They......... the car. It looks new again. 3) Last year we......... to Italy. 4) John and Peggy......... the book. Now they can watch the film. 5) I......... my friend two days ago. 6) We......... another country before. 7) She......... a new car in 2011. 8) I'm sorry, but I......... my homework. 9)......... the game of chess? 10) The girls......... their lunch yet. Bài tập 3 1) I.........my keys, so I can't open that door. (to lose) 2) Columbus.........in the New World in 1492. (to arrive) 3) Nina.........her leg. She is still in hospital. (to break) 4) He.........here all his life. (to live) 5) Colin.........for Brazil this morning. (to leave) 6) Last winter Robin.........with his father in the Alps for three days. (to stay) 7) Ellen.........with her left hand. (always/to write) 8) She.........a language course in Paris last summer. (to do) 9).........anyone.........yet? (to phone) 10) I.........Paul today, but I.........him last Sunday. Bài tập 4: 1) They.........all the new words. They needn't worry about the test. (to learn) 2) Three people.........him in hospital last Friday. (to visit) 3) Martin.........for 50 miles on scenic routes three weeks ago. (to cycle) 4) We.........chicken Tandoori before. (never/to try) 5).........a job yet? (you/to find) 6) Emily and Molly.........each other for more than 10 years now. (to know) 7) First he.........to the announcement, then he.........to a café for a drink. (to listen - to go) 8) She.........late four times this week. (to be) 9) What's that lovely smell in here? - Jasmine.........a yummy cake. (to bake) CHUYỂN ĐỔI TỪ HIỆN TẠI HOÀN THÀNH SANG QUÁ KHỨ ĐƠN ( VÀ NGƯỢC LẠI ) 1.Viết lại câu không thay đổi nghĩa: 1) This is the first time he went abroad.=> He hasn’t………………………………………….. 2) She started driving 1 month ago.=> She has………………………………………………………………… 3) We began eating when it started to rain.=> We have………………………………………………………. 4) I last had my hair cut when I left her.=> I haven’t…………………………………………………………. 5) The last time she kissed me was 5 months ago.=> She hasn’t………………………………………………………. 6) It is a long time since we last met.=> We haven’t…………………………………………………………… 7) When did you have it ?=> How long ………………………………………………………………….?.. 8) This is the first time I had such a delicious meal .=> I haven’t…………………………………….. 9) I haven’t seen him for 8 days.=> The last ………………………………………………….. 10) I haven’t taken a bath since Monday.=> It is ……………………………………………….