单项选择题

Some say yes and others say no; I don’t know ______ to follow.

A. whether
B. what
C. whom
D. how
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填空题
We have to find new ways to (short) ______ the process of production.
单项选择题
A. It’s very kind of you. B. No, I wouldn’t.C. Yes, please. D. Here you are.
A. It’s very kind of you.
B. No, I wouldn’t.
C. Yes, please.
D. Here you are.
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