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單項(xiàng)選擇題

Bob is（）the market for your new product，why don’t you call him right now？

A.at
B.in
C.seeking
D.entering

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單項(xiàng)選擇題

（）orders amounting to a certain value we allow a special discount of 8%.

A.On
B.With
C.on
D.At

單項(xiàng)選擇題

This bid is（）your reply reaching US with in 15 working days from today.

A.up to
B.subject to
C.subjecting to
D.subjected to