题目内容：

根据句子意思，选择正确的词填空。5分

1.MoYan is famous ________ (for /as) a writer, we all like his novels. 

2.We often use ___________ ( chalks/ erasers) to write words on the blackboard.

3.You can’t go to play basketball____________ ( if/ unless) you finish your homework.

4.I am sure our class can         (defeat/ win ) Class 8 in the football match.

5.The boss ________ ( praised / dismissed ) Tom because he made a very serious mistake.