A number of people were reported to__in a series of explosions .

A number of people were reported to__in a series of explosions .
A number of people were reported to__in a series of explosions on London's transport system on Thursday morning.
A.had been killed
B.have been killed
why we choose
英语人气:199 ℃时间:2019-10-19 17:49:05
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