问题

If there is any change to the plan, I ______ you as soon as possible.

A:three hour
B:a three-hours
C:a three-hour
D:three hours;

正确答案是：

同类题型

Could you tell me ______ I must find him. –Sorry. I have no idea. But he was here just now.

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_____it is raining, we had better take a taxi

are still many problems ahead of us, but by this time next year we can see light at the end of the ________.