题目内容：

五、单词拼写

1.His brother is very lazy and always f________(不及格) in his exam.

2.Everyone should keep q________(安静) in the library.

3.Nowadays there are so many traffic a ________(事故) on the road. So drivers should be careful.

4.It's not only e________(足够) to get good grades.

5.You'd better f________(喂养) your pet dog. It looks hungry.