I've attached my contact information in the recommendation letter ()you have further questions.

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

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