1 . Later, he worked in Africa,________ many people suffered from blindness for lack of proper treatment. (用适当的词填空)

2 . In rural areas,________ ambulances can take a relatively long time to arrive, the phone boxes have taken on a lifesaving role. (用适当的词填空)

3 . On an autumn afternoon, I went to a farm with my father. I learnt to plant potatoes there. (用非限制性定语从句合并句子)

4 . The manager of the company is trying to create an easy atmosphere，__________his employees work happily. (用适当的词填空)

5 . As the only daughter of the family，Mary is always longing for that time，__________she should be able to be independent. (用适当的词填空)

8 . The art centre is ________ used to be a factory, ________ millions of tractors were made.

A．what; where	B．where; where
C．what; which	D．where; which

9 . Our school held a respect-parent activity last month, ________ our students benefited a lot.

A．when

B．where

C．which

D．that

10 . After the flooding, people were suffering in that area, ________ urgently needed clean water and medicine.
After the flooding, people were suffering in that area, ________ clean water and medicine were needed. （用适当的词填空）