1 . ______ you must be informed of before setting out to finish the paper is ______ it is a student-made one.

A．What; /

B．That; that

C．What; that

D．That; /

2 . The Palace Museum is ________ the royal families used to live and it’s now a historical museum with collections of valuable antiques.

A．what

B．which

C．where

D．how

3 . We are afraid of making mistakes when learning a foreign language, and that is________we are quiet in our English classes.

A．what

B．because

C．whether

D．why

4 . _____ bothered me most was ________ I should choose as my partner in the competition.

A．What; that

B．Which; that

C．It; who

D．What; who

5 . Honestly speaking, this is ______ I disagreed ______ you.

A．what; on

B．where; on

C．what; with

D．where; with

6 . The reason ______ you gave for the absence of your assignment was ______ you missed the deadline after getting a long-queued nucleic acid test （核酸检测）.

A．why; that

B．why; which

C．that; that

D．which; why

7 . He still hesitated on________ he would rent the apartment, ________ only drawback was ________it was too small.

A．whether; whose; that	B．what; which; that
C．what; which; /	D．whether; whose; /

8 . The main reason ________ monarch butterflies are endangered is ________ lots of places ________ used to be home to them have been seriously destroyed.

A．why; because; where	B．that; because; where
C．why; that; that	D．why; that; where

9 . We don’t approve of the way _________ she brings up her children. Is that also _________ you disagree?

A．in which; what	B．that; how
C．which; why	D．不填; where

10 . He ________ a translator for two years, but now he is an English teacher. That’s ________ he is more interested in teaching.

A．had been; because	B．has been; why
C．has been; because	D．was; because