General Lee gave a sudden command that the troops_____the town at 7:00pm
问题描述：
General Lee gave a sudden command that the troops_____the town at 7:00pm
A.left B.leave C.must leave D.would leave
选哪个,为什么?
答
B
像是command\suggestion等等的词后从句有一种形式是
that ...（should）do sth.
should可以省略