1 . Things aren’t always ________. (appear)
事情往往不是它们看上去的那样。

2 . — I’ll ask the teacher about the attributive clause. I’m very puzzled about it.
— That’s just __________ most of our classmates have doubt.

3 . The trouble is ___________he can find a new job.

A．where

B．who

C．what

D．why

4 . Many experts hold the view _______ protection awareness is _______ the key to better environment lies.

A．which; where

B．which; in which

C．that; where

D．that; in which

5 . —I feel it difficult to apply for a job in that famous company.
—Why not read this magazine? This is ________ some useful information is available.

A．what

B．how

C．where

D．that

6 . —I drove to Zhuhai for the air show last week.
—Is that ______ you had a few days off?

A．why

B．because

C．where

D．when

8 . He didn’t finish his homework on time. That is________ he was punished by the teacher. （用适当的词填空）

9 . The problem is ________ we can get the things we need. (用适当的词填空)

10 . —I prefer shutting myself in and listening to music all day on Sundays.
—That’s ______ I don’t agree. You should have a more active life.

A．where

B．how

C．when

D．what