Many students have ( ) asleep during the classes at one time or another. ( fall )使用 fall 的适当形式填空. 请再帮忙解释一下时态.

分类: 作业答案 • 2022-04-13 10:40:17

问题描述：

Many students have ( ) asleep during the classes at one time or another. ( fall )
使用 fall 的适当形式填空. 请再帮忙解释一下时态.

答