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：102 ℃ 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
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