根据句意和汉语提示，从所给的词汇中选出合适的词，并用其适当形式填空。

struggle　equip　confuse　circulate　suitable　chemical　supply　rid　exchange　pest　expand　export　sunburn　bacterial　mineral　output

1．The human being ________(斗争)with his environment．

2．The news of her death ________(传播)quickly．

3．He ________(装备)himself for a long journey．

4．This toy is not ________(合适)for young children．

5．A ________(化学)change takes place in any substance when it burns．

6．We tried to ________(使迷惑)the enemy．

7．When money is in short ________(供给), many businesses fail．

8．Insects which eat crops are ________(害虫)．

9．At that time the British pound ________(兑换)for ＄2.80．

10．The factory has ________(扩展)to the riverside．

11．He tried to ________(除去)himself of debts．

12．He is ________(灼伤)from a day on the beach．

13．The month ________(产量)of the factory has increased by 10％．

14．Many people like to drink ________(矿物)water．

15．In some areas some farmers like to use ________(细菌的)fertilizer．

16．People on this island make a living by ________(出口)sugar and fruit．

用合适的介词填空

She argued me ________ buying that suit．

用合适的介词填空

He spent all his savings ________ a new car．

用合适的介词填空

After he has retired, he will devote himself ________ gardening．

用合适的介词填空

Most of the time, chimps either feed or clean each other ________ a way of showing love in their family．

用合适的介词填空

Institute is an organization ________ a special purpose．

用合适的介词填空

If the word “group” is considered ________ a whole, use a singular verb．

用合适的介词填空

A meeting ________ great importance is to be held tomorrow．

用合适的介词填空

He behaved ________ a bad manner at the party and people got very upset．

句型转换

A．Her study of chimps’ body language helped her make clear their social system．

B．Her study of chimps’ body language helped her ________　________ their social system．