46 Have you noticed her coat is wet? She must be caught in the rain.

　　A 　　　 B 　 C 　　　 D

　　C 考察情态动词的用法，must have done sth表示对过去的一种肯定的判断

　　47 Teenagers always long for the time which they are able to be independent.

　　A 　　　B 　　 C 　　　 D

　　B 考察定语从句引导词

　　48. Since the injury is bad, the doctors will operate him immediately.

　　A 　　　 B 　　　 C 　　　　D

　　C 考察动词短语的用法，operate on

　　49. Let’s hurry up and try to get to the railway station in time, can we?

　　A 　　　　　 B 　　　　 C 　 D

　　D 考查反意疑问句的用法

　　50.He refused joining us last Saturday night. Don’t you think it strange?

　　A 　 B 　　　　　 C 　　　　 D

　　B 考察动词的用法， refuse to do sth

　　51. Some old beautiful Italian oil paintings are being displayed in the exhibition hall.

　　A 　　　　　 B 　　 C 　　　 D

　　A 考察形容词的词序

　　52. If you had been there, I’m sure you would have enjoyed to see the Chinese Team win.

　　A 　　　　　　　 B 　　 C 　　　　 D

　　C 考察动名词

　　53. On seeing the boy fell into the river, she sprang to her feet and went to the rescue.

　　A &#