All the students were sweeping the floor __________ they heard a man __________. [ ]A. when;shouting

题目简介

All the students were sweeping the floor __________ they heard a man __________. [ ]A. when;shouting

题目详情

All the students were sweeping the floor __________ they heard a man __________.
                                                                                                                                                         [    ]
A. when;shouting
B. while;to shout
C. when;to shout
D. while;shouting
题型:单选题难度:中档来源:同步题

答案

A

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