5. The driver has been keeping silent about the accident 　　lose his job.

A. in order not to　　　 B. as so not to　　 　C. so as to not　 　　　D. in order to not

4. If you want to win in the contest，you must take great 　　about it.

A. influence　　 B. effect　　　 C. pain　　　　 　D. pains

3. In a second­hand bookshop，Billy came across a book which he thought was certainly a

　　　 edition.

A. rare　 　　　　　B. special　　 C. seldom　　　　　　　　　　 D. hardly

2. Jane has lost weight by going on 　　　diet and taking 　　exercise every day.

A. a；an　　　　　 B. a；不填　　　 C. 不填；不填　　　　　　　 D. 不填；an

1. 　　your best，I think，and the problem could be settled.

A. If you try　　　 B. To try　　 C. Try 　　　　　D. Trying

45.D　 where=in which 定语从句

44.B　 put up搭建；　 put out公布；　 put on穿衣；　 put aside不理睬

43.C　 be familiar to sb 或 be familiar with sth

41.D　 the attitude to/toward sth 表示“对某事的态度”

40.D　 called 做定语，含被动的含义，表示“被称作”