Nowadays people sometimes separate their waste to make it easier for it_______.

　　A reusing

　　B reused

　　C reuses

　　D to be reused

　　答案：D  

　　We should respect food and think about the people who don' t have_______we have here and treat food nicely.

　　A that

　　B which

　　C what

　　D whether

　　答案：C

　　--I usually travel by train. --Why not_______by plane for a change?

　　A to try going

　　B trying to go

　　C to try and go

　　D try going

　　答案：D

　　--Do you mind my smoking here? --_______.

　　A No, thanks.

　　B No.Good idea.

　　C Yes, please.

　　D Yes.Better not.

　　答案：D

　　Sarah had her washing machine repaired the day before yesterday,_______she?

　　A had

　　B did

　　C didn' t

　　D hadn' t

　　答案：C

　　He went to the bookstore and bought

　　A dozen books

　　B dozens books

　　C dozen of books

　　D dozens of books

　　答案：D

　　Drunk driving, which was once a occurrence, is now under control.

　　A general

　　B frequent

　　C normal

　　D particular

　　答案：B

　　He suddenly returned a rainy night.

　　A at

　　B on

　　C in

　　D during

　　答案：B

　　More and more high-rise buildings have been built in big cities space.

　　A in search of

　　B in place of

　　C for lack of

　　D for fear of

　　答案：C

　　In April, thousands of holidaymakers remained_______abroad due to the volcanic ash cloud.

　　A sticking

　　B stuck

　　C to be stuck

　　D to have stuck

　　答案：B