1 . The scientist and his achievements __________ you told me about are admired by us all. (用适当的词填空)

2 . He talked happily about the men and books __________ interested him greatly in the school. (用适当的词填空)

3 . The two pupils _________ you taught three years ago have become tractor drivers. (用适当的词填空)

4 . This is one of the most exciting football games _______ I have ever seen. (用适当的词填空)

5 . They reached an island ___________ is famous for a variety of plants.（用适当的词填空）

6 . The beautiful island is a place__attracts many people to go to travel. （用适当的词填空）

7 . Some irresponsible websites allowed restaurants to post false pictures ________ could mislead customers.

A．who

B．that

C．when

D．where