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问题 单项选择题

如未接到迎接的个人散客或小包价旅游团，导游要与司机配合，在尽可能的范围内至少寻找( )分钟，当确认迎接无望时，经计调部门同意方可离开。

A．10
B．20
C．30
D．40

答案

参考答案：B

选择题

I don’t know the reason _______ you were absent from the meeting, and I am not sure that someone will tell me the reason _______ you haven’t told me.

A．why; that

B．that; why

C．because; why

D．of which; that
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选择题

The dog may be a good companion for the old. _______, the need to take it for walks may be a disadvantage.

A．Besides.

B．However

C．Therefore

D．Instead.
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