49: I hope you will forget all the unhappiness I've_____ you. ( ) A: bothered B: suspected C: interfered D: caused ...

39: It was very _______ of you to let us know you were going to be late. ( ) A: considerate B: considerable C: considering D: considered ...

75: It is his duty to ______ that everyone has enough money for the trip. ( ) A: look B: watch C: see D: note ...

70: If you work hard______, you won’t have to sit up all night before the exam. ( ) A: at other times B: by yourself C: willingly D: with some help ...

34: When their coach came in, all the players stopped watching, whispering and ______. () A: laughed B: to laugh C: would laugh D: laughing ...

53: His mother helped him select the pop music ______ his taste as his birthday gift. () A: up to B: in C: to D: off ...

62: Identify the errors in the following sentence:She was twice as old as my twenty-year-old sister unless she looked young. ( ) A: twice B: as old as C: twenty-year-old D: unless ...

57: She was very proud ______ her mother's confidence in her. ( ) A: at B: of C: with D: as ...

22: Identify the errors in the following sentence:I can’t help to think it would be fun to play such an exciting game with them. () A: to think B: would be C: to play D: an exciting ...

94: 齐次线性方程组一定有解。 A: 对 B: 错 ...