问题描述：
Where's Jack?
—He's away to spend his holiday.He's gone either to Hangzhou or to Wuhan,but I'm not sure .
A.that B.which C.where D.there
为什么?
sure后面
—He's away to spend his holiday.He's gone either to Hangzhou or to Wuhan,but I'm not sure .
A.that B.which C.where D.there
为什么?
sure后面
问题解答：
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