布莱恩通常会及时赶回家里给孩子们洗澡。(in time)

He made the experiment 　 third time, but the result was the same as 　　　 second time .　 A. a; a　 B. the ; the　　　 C. a ; the　　　 D. the ; a

He paid the boy 10 yuan for washing ten windows, most of ______ hadn’t been cleaned for at least a year.

A. these　 　B. those　 　 C. that　 　　D. which

I didn’t make 　　 clear when and where the sports meet would be held．

　 A．this　　　 B that　　　　 C it　　　　 D one

I hear they’ve promoted Tom, but he didn’t 　　　　　　　　　 (提及职位已升) when we talked in the phone.(mention)

I________that all windows are shut.I did it.

A.make sure　　　　 B.am sure　　　　 C.make clear　　　　 D.am clear

I ________ to be quite afraid to live in that city，but now I have ________ to the life there.

A. used; been used 　　 B. used; used

C. was used; got used　 D. got used; been used

It was a r _________ to know that the children were safe.

Dr Yuan Longping searched for a way to increase the rich h ______ without increasing the area of fields.

Whose turn _______on duty today?

A. it is to be　　　　 B. is it to be

C. is it　　　　　　　 D. it is