单项选择题

The symbols of mathematics () we are most familiar are the signs of addition, subtraction, multiplication, division arid equality.

A. to which
B. which
C. with which
D. in which

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单项选择题Speaker A: I'm going home now, do you want to head out togetherSpeaker B: (). I'm going home in about an Hour.

A. That's a good idea
B. No way
C. OK, thank you
D. No. Thanks

单项选择题Speaker A: I'm going home now. Do you need a ride Speaker B: (). I'm not done yet.

A. No, thanks
B. It's impossible
C. I'm glad to
D. Thank you