16.I have no idea who stole his wallet.It anyone. A.could have been B.should have been C.must have been 17. stole my purse when I was on the train. A.Anyone B.Someone C.Something 18.The computer doesn't work.You should get it A.to repair B.repairing C.repaired 19.A:Which of these newspapers have you read? B:I've read them. A.both B.both of C.any of 20.I can't arrive before 6.00.I'll try to be there 6.30. A.until B.till C.by 21. a problem with the laptop yesterday,but it wasn't very serious. A.It was B.There was C.There is 22.I smoke before,but I do.now. A.didn't use to B.used to C.am used to 23.It was raining and we went home. A.that B.because C..so 24.Kunming is the southwest of China. A.on B.in C.to 121816. I have no idea who stole his wallet. It anyone. A. could have been B. should have been C. must have been 17 stole my purse when I was on the train. A. Anyone B. Someone C. Something 18. The computer doesn't work. You should get it A. to repair B. repairing C. repaired 19. A; Which of these newspapers have you read? B: I've read them. both B. both of any of A. C. 20. I can't arrive before 6. 00. I'll try to be there 6. 30. A. until B. till C. by a problem with the laptop yesterday, but it wasn't very serious. 2l. A. It was B. There was C. There is 22.1 smoke before, but I do now. didn't use to B. used to am used to A. G 23. It was raining and we went home. A. that B. because C. so 24. Kunming is the southwest of China. On B. in to A C. 1218