题目内容：

下面每个题划线部分中只有一个错误，请选出并改正。将其字母代号填入题前的括号内。

1.Most of themfinishedto do their homework before class was over.

A         B     C                   D

2.Although it is raininghard, but we still work. 

A       B   C            D

3.This watch ismuchmore cheap than that one.       

A   B      C                 D

4.It takesheforty minutes to do his homework every day.

A    B   C                  D

5.Learn Englishwellis very important for us.

A       B    C                 D