EX12: Chọn đáp án đúng 17: I went to Belgium last month. I ............... there before. It's a beautiful country. A. have never been B. had never been C. never was D. never been 18: He said that his mother would be very upset when she .............. that he had lost his job. A. learns B. learned C. had learned D. would learn 19: I can't leave now. I ................... for an important telephone call. A. wait B. am waiting C. had been waiting D. was waiting 20: I have been waiting for you .................. A. since early morning B. since 9a.m C. for two hours D. All are correct 21: Almost everyone ........... for home by the time we arrived. A. leave B. left C. leaves D. had left 22: By the age of 25, he ............. two famous novels. A. wrote B. writes C. has written D. had written 23: What does she do? – She ................ the piano in a local orchestra. A. plays B. played C. has played D. is playing 24: I couldn't cut the grass because the lawn mower ....... a few days previously. A. broke down B. has been broken C. had broken down D. breaks down 25: He must be very hungry. He ................ anything in three days. A. didn't eat B. hasn't eaten C. hadn't eaten D. wasn't eating 26: First he ................... as a salesman, then as a night clerk, and after that he quit his job and became a writer. A. worked B. has worked C. had worked D. had been working 27: After I ...........lunch, I looked for my bag. A. had B. had had C. have has D. have had 28: By the end of next year, George ............... English for two years. A. will have learned B. will learn C. has learned D. would learn 29: I usually ............. to work by bus. It takes me about forty minutes to get to work by bus. A. go B. am going C. have gone D. have been going 30: Yesterday my daughter flew in an airplane for the first time in her life. She................... in an airplane before. A. has never flown B. was never flying C. had never flown D. had flown 31: Are you going to Lena's party? – No. I ........... home tonight. I'm a little tired. A. stay B. am staying C. stayed D. stayed 32: When the first child was born, they .............for three years. A. have been married B. had been married C. will been married D. will have been married 33: I think the weather ......nice later. A. will be B. be C. had D. has been 34: She ...............very angry when she knows this. A. shall be B. has been C. will have been D. will be 35: Tom and Mary ............. for Vietnam tomorrow. A. leave B. are leaving C. leaving D. are left 36: He always ..................for a walk in the evening. A. go B. is going C. goes D. going 37: Tomorrow I .................my grandparents. A. am going to visit B. will have visited C. have visited D. visit 38: I .............. to the same barber since last year. A. am going B. have been going C. go D. had gone 39: Her father ............... when she was a small girl. A. dies B. died C. has died D. had died 40: I’m going on holiday on Saturday. This time next week I .................on a beach in the sea. A. will lie B. am lying C. will be lying D. should be lying