All the students were sweeping the floor___they heard a man___for_英语解答

All the students were sweeping the floor___they heard a man___for help
A.when,shouting B.while,to shout
C.when,to shout D.while,shouting

人气：337 ℃　时间：2020-03-11 17:07:03

解答

A所有学生都在扫地，就在那个时候，他们听到一个男人呼救