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單項(xiàng)選擇題

（）heavy commitments，we cannot accept any fresh orders.

a.Due
b.Owing to
c.Because
d.Inaddition to

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We are not in a position to make any offer as the goods are（）.

A.without stock
B.out of stock
C.no stock
D.not in stock

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The two firms agreed to（）a joint venture in China.

A.embark on
B.intend
C.engage
D.enter into

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