The fire was very big, ________, the firefighters put it out in an hour.A．whenB．_刷题宝

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The fire was very big, ________, the firefighters put it out in an hour.

A．when

B．while

C．however

D．yet

上一题下一题 0.85难度单选题更新时间:2019-08-04 05:43:47

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