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

A．where

B．who

C．what

D．why

2 . This is ________ my father has taught me—to always face difficulties and hope for the best. (用适当的词填空)

3 . They have leading experts in this field, and that’s ____________ they’ve solved this problem successfully.

A．where

B．why

C．whether

D．who

4 . That is ___________ I was born and grew up.

A．there

B．when

C．where

D．the place

5 . ––The small restaurant is always crowded in every part.
––That’s ______ it has a unique dining environment and quite a few wonderful dishes.

A．why	B．because
C．where	D．when

6 . （2018· 北京）This is _________ my father has taught me—to always face difficulties and hope for the best.

A．how	B．which
C．that	D．what

7 . （2018· 北京）Without his support, we wouldn’t be _________ we are now.

A．how	B．when
C．where	D．why

8 . What I love most about reading novels is ______ the authors vividly describe the characters.

A．what	B．why
C．how	D．whom

9 . —I heard you wanted to have a further study in a foreign college.
—Yes, that's _____I try my best to learn English well.

A．when	B．how
C．what	D．why

10 . An accident happened on the main road. That is ______ traffic seemed to slow suddenly.

A．why	B．how
C．when	D．what