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Theywillbeback____.A.forhalfanhourTheywillbeback____.A.forhalfanhourB.afterhalfanhourC.halfanhouragoD.inhalfanhour
题目内容：
They will be back ____.A.for half an hour
They will be back ____.
A.for half an hour B.after half an hour
C.half an hour ago D.in half an hour优质解答
选D
in half an hour 在半个小时之内
They will be back ____.
A.for half an hour B.after half an hour
C.half an hour ago D.in half an hour
优质解答
in half an hour 在半个小时之内
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