He asked me to give him a lift ________ I could make an explanation about the crowded space in my car．It was so hard to refuse him!
A． until B． while C． before D． when
---________ has brought about the improvement of Chinese farmers’ living standards?
---The Party’s social benefiting policies, of course．
A． What is it that B． What it is that
C． What is that D． What is it
The 2013 population investigation shows one in four people in Jiangsu will be over 65 and the number of over-85 people ________ by 2030．
A． have doubled B． will be doubled
C． will have doubled D． will double
— Why didn’t you watch the program “Where are we going, Dad?”?
— It was because something was wrong with the web TV _______ too many users were receiving it．
A． which B． that
C． through that D． through which
So easy was the maths problem that it didn’t take much time for the students to _______ the correct answer．
A． make out B． bring out
C． figure out D． carry out
Most of her spare time ______ , she still kept on her research in the library．
A． occupied B． to be occupied
C． was occupied D． had been occupied
