Look! There are so many mistakes in your composition. You ________ have fixed full attention on it.
A.can
B.should
C.need
D.might
答案:B
选B 考查情态动词。句意:看!你的作文里有那么多的错误。你本应该把所有的注意力都集中在它上面的。表示“本应该做但实际上没有做”应该用should have done结构,故选B。
Look! There are so many mistakes in your composition. You ________ have fixed full attention on it.
A.can
B.should
C.need
D.might
答案:B
选B 考查情态动词。句意:看!你的作文里有那么多的错误。你本应该把所有的注意力都集中在它上面的。表示“本应该做但实际上没有做”应该用should have done结构,故选B。