题目

The general’s command was that the soldiers _________ their fort and carry out more important tasks.
A.would leave B.leave
C.left D.have left
Written applications should be sent to us in case _________some problems with the electric version.
A.there will be B.there is
C.there be D.there was
At that time,the poor girl can’t but ________ all her belongings at a low price.
A.to sell B.sell
C.selling D.sold

提问时间：2020-10-01

答案

1.command引导的从句是用虚拟语气的,从句中carry等动作前省略了should,另外从and连词前后时态应一致也能看出选leave（B）.
2.in case表示“以防……情况”,指未来可能出现的状况,时态用将来时.
3.can't but表示“无奈只好……”固定搭配动词原形do.