They’ve arrived at the flooded areas, but we don’t know ________ they got there._刷题宝

题干

They’ve arrived at the flooded areas, but we don’t know ________ they got there.

A．where

B．whatever

C．how

D．However

上一题下一题 0.64难度单项选择更新时间:2015-07-10 04:07:55

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