1 . The naughty boy made a hole in the wall through ______ he could see what is happening outside. (用适当的词填空)

2 . I will never forget the days ______I spent travelling with my grandparents. (用适当的词填空)

3 . You can find whatever you need at the shopping centre, __________ is always busy at the weekend.

A．that

B．where

C．what

D．which

4 . Finally they arrived at a place, __________ sold cigarettes and other small articles.

A．where

B．which

C．in which

D．what

5 . The theme park you are probably most familiar with is Disneyland, ________ can be found in several parts of the world(用适当的词填空)

6 . He has 20 books, only two of ________ are interesting. (用适当的词填空)