填空题

It is necessary that he (come)（）back without delay.

【参考答案】

(should) come

<上一题目录下一题>

热门试题

单项选择题

A．160 yuan.
B．320 yuan.
C．A bit more than 160 yuan.
D．A bit more than 320 yuan.

填空题

This suit is rather dirty now. It is some time since it (wash)（）