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2 năm trước
Tìm 1 số có 3 chữ số biết rằng khi viết thêm vào bên phải số đó 1 chữ số 5 thì số đó tăng lên 1112 đơn vị
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Exercise 11 : Choose the best word or phrase to complete in the following questions. Question 31 : They_____for five years when they finally had a child. A. will have been married B. had been married C. have married D. will be marrying Question 32 : When she_____her work, she_____to the cinema. A. finished - had gone B. was finishing - had been going C. had finished – went D. had been finishing - was going Question 33 : At the time of our first meeting there was a considerable difference between me and him; he_____articles in magazines for over five years while I was practically unknown. A. had been publishing B. was publishing C. has been publishing D. published Question 34 : The house_____to the ground by the time the firemen_____ A. burned - had arrived B. had burned - arrived C. was burning – arrived D. burned - was arriving Question 35 : I_____the accident when I was waiting for the taxi. A. saw B. was seeing C. had been seeing D. have seen Question 36 : I agree that while the soup was OK, the meat was too dry - we_____ it about 20 minutes too long. A. had roasted B. roast C. had roast D. have been roasting Question 37 : At this time last night while people were talking to each other, he_____his book. A. was reading B. is reading C. have read D. reads Question 38 : While we_____in the park, Mary fell over. A. ran B. are running C. had been running D. were running Question 39 :_____I was listening to music, I heard the doorbell. A. When B. While C. If D. Because Question 40 : How long_____English before she went to London? A. did she learn B. had she been learning C. have she learnt D. was she learning Question 41 : They_____at the station for 90 minutes when the train finally arrived. A. were waiting B. will be learning C. had been waiting D. are learning Question 42 : We_____for her ring for two hours and then we found it in the bathroom. A. had been looking B. were looking C. will be learning D. have been learning Question 43 : Frank Sinatra caught the flu because he_____in the rain too long. A. was singing B. will be learning C. is singing D. had been singing Question 44 : When police were investigating the road accident, they discovered that the driver_____two road accidents before. A. had been involved in B. had been being involved in C. will be involving in D. will have involved in Question 45 : They_____anyone while they were walking home because it was raining. A. weren’t seeing B. hadn’t see C. didn’t see D. weren’t seen Question 46 : Although at that time my knowledge of German was very poor, I _____most of what they said. A. understood B. have understood C. managed to understand D. didn’t understand Question 47 : We watched the film The Godfather last night. We had seen the film about 3 times before but we watched it again because John_____it. A. had been seeing B. had never seen C. have never seen D. have been eating Question 48 : We_____for nearly 100 kilometres before we finally found a service station we could stop at. A. had driven B. have been driving C. had been driving D. have driven Question 49 : I_____a student in Moloxop School in 1998. A. was B. were C. to be D. to was Question 50 : When I got home I realised that while I_____someone had stolen my wallet. A. had walked B. have been walking C. have walked D. had been walking

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