题目内容

The reason for his failure is ______ he didn't work hard.

A. that
B. as
C. since
D. because

查看答案

搜索结果不匹配？点我反馈

更多问题

Mary is in bed with a fever and she can't hope to ______ the cold in a few days.

A. get over
B. get away
C. get off
D. get out

对于UPS电源中的逆变器，不是简单地将直流变成交流，尚需实现( )电压的自动调节。

A. 输入
B. 输出
C. 波形
D. 特定

They required that all the necessary documents ______ to the president's office before the end of this month.

A. be handed
B. must be handed
C. should hand in
D. had been handed in

Ever since the family moved to the suburbs last year, they ______ better health.

A. could have enjoyed
B. had enjoyed
C. have been enjoying
D. are enjoying