题目内容
All the club members ________ the floor when they heard someone ________ for help.
[ ]
A.swept; were shouting
B.swept; shouted
C.were sweeping; shouting
D.were sweeping; shouted
答案:C
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题目内容
All the club members ________ the floor when they heard someone ________ for help.
A.swept; were shouting
B.swept; shouted
C.were sweeping; shouting
D.were sweeping; shouted