根据句子意思，用括号中所给单词的适当形式填空。

1．At weekends，Nancy enjoys _________（read）comic books at home．

2．--Wild animals are our friends．

--I agree with you．We must _________（treat）them with kindness．

3．--Where is Peter from?

--He is French，if I remember _________（correct）．

4．--This pair of shoes is too tight．Could I try a pair in a _________（big）size?

--Of course．Here you are．

5．--Paul，please e-mail me those _________（professor）weekly reports as soon as possible．

--OK! No problem．

6．Stephen is a member of an _________（organize）which protects rivers and lakes in China．