题目内容
The conductor kept coming ________ them hot water and ________ them magazines.
[ ]
A.offering, to sell
B.to offer, selling
C.to offer, selling
D.offering, to sell
答案:C
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题目内容
The conductor kept coming ________ them hot water and ________ them magazines.
[ ]
A.offering, to sell
B.to offer, selling
C.to offer, selling
D.offering, to sell