1 . There is no doubt _______ nearsightedness is a serious problem among the youth of our country.

A．/

B．which

C．whether

D．that

2 . He never wrote ________ his first one again.

A．as good book as	B．such good a book as
C．so good a book as	D．such good book as

3 . It was five hours _____ the French climber reached the top of the world’s tallest building.

A．since

B．that

C．before

D．when

4 . There is no doubt ______ they did a completely bad job at that very moment.

A．which

B．whether

C．how

D．that

5 . It was not until the teacher had explained it three times _______ how to work out the problem.

A．did he understand	B．had he understood
C．that he understood	D．that he didn’t understood

6 . —Where did you meet your middle school teacher?
—It was in the supermarket ______ I was doing some shopping with my son.

A．that

B．where

C．when

D．which

7 . –Well, I do think the rabbit is a beautiful,gentle animal which can run very fast.
– ______.

A．So it is

B．So is it

C．So does it

D．So it does

8 . I missed the last bus and had no money for a taxi，so I could do nothing but ____ home last night.

A．to walking	B．walk
C．walking	D．walked

9 . About 110 million people moved to this city. The population is ____________ as ten years ago.

A．as twice large

B．twice as large

C．as many twice

D．twice as many

10 . _______, I believe, and you will find the student is very outgoing.

A．One talk with him	B．Given a talk with him
C．Having a talk with him	D．If you have a talk with him