1 . —I can’t find Mr Smith. Where did you meet him this morning?
—It was in the hotel ________ he stayed ________ I met him.

A．where, that

B．which, that

C．the one, that

D．that,where

2 . I’ll never forget the days ______ we lived together on the summer camp.

A．A. where

B．when

C．why

D．that

3 . To make sure your appliance is in fact off,________(移走，去掉) the plug from its power supply. (根据汉语提示单词拼写)

4 . He talked a lot about things and persons ______ they remembered in the school.

A．which

B．who

C．that

D．what

5 . The monarch butterfly migrates to the places ________ it can spend the winter. （用适当的词填空）

6 . Can you explain the reasons ________ you are always late for online class? （用适当的词填空）

7 . We are living in such an age ________ computers can do hard work for us. （用适当的词填空）

8 . Its population ___________ (暴跌)by as much as 90% in the last few years. (根据汉语提示单词拼写)

9 . Finally they got to the top of the mountain,_____stood an old temple. (用适当的词填空)

10 . I didn’t believe the reason_____he explained for his being late.(用适当的词填空)