單項(xiàng)選擇題Complaint prevailed and this compelled the producer to resolve（）improvements.

A.on
B.for
C.at
D.in


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1.單項(xiàng)選擇題It（）aroundsixo’clockwhenIdrovebackyesterdaybecauseitwasalreadydark.

A.must have been
B.must he
C.was to be
D.had to be

2.單項(xiàng)選擇題（），there was no hope of her getting the order.

A.As she was exhausted
B.If she was exhausted
C.Exhausted though she was
D.Now that she was exhausted

3.單項(xiàng)選擇題As for the influence of Internet，nowhere（）the results more clearly than in the US.

A.we have seen
B.we had seen
C.seen we have
D.have we seen

4.單項(xiàng)選擇題The total CIP value of your order comes（）$960 instead of $690，the difference（）$270.

A.to，be
B.at，being
C.to，being
D.at，tobe

5.單項(xiàng)選擇題（）are subsidies or tax rebates paid by government to encourage them to export.

A.Export mission
B.Export incentives
C.Export financing
D.Export tariffs