题目内容
While Mother ______ some washing, I ______ a kite for Jack.
[ ]
A.did, was made B.was making, did
C.was doing, was making D.made, was doing
答案:C
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题目内容
While Mother ______ some washing, I ______ a kite for Jack.
[ ]
A.did, was made B.was making, did
C.was doing, was making D.made, was doing