单项选择题

I saw Mr. Smith last Sunday. We had not seen each other （）I left London.

A. as
B. before
C. since
D. till

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单项选择题
We will never give in （）they might do or say about our plan.

A. no matter how
B. how
C. whatever
D. although
单项选择题
I wonder if I （）time. If I （）time, I’ll go with you.

A. have; have
B. will have; will have
C. have; will have
D. will have; have
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