The children are very quiet．I wonder what they are ．A.up toB.crying forC.going f
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The children are very quiet．I wonder what they are ________．
A.up to
B.crying for
C.going for
D.stick to
试题答案
A
The children are very quiet．I wonder what they are ________．
A.up to
B.crying for
C.going for
D.stick to
A