题目内容：

 

1.Do you think it______________(必要的）to have a friend who has cool clothes?

2.______(然而），many young trees died ten days ago.

3.1s your father as______________(严肃的）as your teacher?

4.1 can___________photos with my friends on the Internet.

5.Don’t___________(触摸）drugs (毒品）forever.