44.– Must I finish it now?

　-- No, you ________.

　A. mustn’tB. needn’tC. can’tD. shouldn’t

　答案: B (选择A的同学要注意mustn’t意思指不允许, needn’t指的是不必要.)

43..-- __________ you ________ your book to the library?

　-- Yes. I returned it yesterday.

　A. Did, returnB. Have, returnedC. Will, returnD. Do, return

　答案: B ( 选择A的同学过分注意回答用了一般过去时, 但在上一句中, 并没有给出过去的时间,强调你现在是否还书了, 应用现在完成时.)

42..It’s spring now. The students ________ trees these weeks.

　A. plantB. are plantingC. will plantD. planted

　答案: B (选择A的同学要注意 these weeks 并不表示经常做某事,而是强调这几个星期同学们一直在种树.)

41.My father went to Shanghai yesterday. He ______ back in two weeks.

　A. comesB. has comeC. will comeD. came

　答案: C ( 选择D的同学要注意in +时间段, 表示在未来的一段时间,应用将来时)

40.Jane said she would come here ________ 9:00 and 9:30 tomorrow morning.

　A. fromB. atC. betweenD. around

　答案: C (选择B的同学没有把体看完整; 选择A的同学没有注意到from…to…的搭配.)

39.– Oh, it’s raining heavily.

　-- Please don’t leave ________ it stops.

　A. whenB. afterC. sinceD. until

　答案: D (选择其它选项的同学要注意读懂句子, 只有把语境搞清楚才能答对问题.)

38.I don’t know the homework _______ today.

　A. onB. inC. ofD. for

　答案：D　(选择C的同学要注意of表示从属关系，要注意中文的干扰.)

37.He turned ________ the radio because his father was asleep.

　A. onB. downC. upD. over

　答案：B　(根据语境：他爸爸睡着了，因此不能用A-打开，也不能用C-调大.D表示反过来)

36.The accident took place ________ a cold February evening.

　A. onB. inC. atD. for

　答案：A　(选择B的同学要注意，在特指的早上、下午、晚上，不用in要用on)

35.______ the maths problem is difficult, I’ll try very hard to work it out.

　A. ThoughB. WhenC. BeforeD. After

　答案：A　(选择B的同学要注意语境.不能说当题目难的时候，我将努力.而是说尽管题目难，但我将努力解决.)