People ______ between 10 to 20 should be named us "young people"

The purpose of this passage is to______. A: persuade us to get rid of bad time habits B: tell us what the 80/20 principle is C: show how to manage our time according to the 80/20 principle D: explain what time management is

It us 20 minutes to get to our school on foot. A: will take B: to take C: be take D: takeing

Ⅲ.选择正确的答案 20% ( 2%×10) My father _______ for us tomorrow evening.

已知一脉冲信号其周期为10uS，经过一个四分频器后，输出脉冲的周期为（）。 A: A40uS B: B20uS C: C10uS D: D2.5uS

Thanks for your letter of July 20, offering us the _____ goods. A: caption B: contract C: subject D: order

智慧职教: Your e-mail of August 20 addressed to our Ningbo Office has ____ to us for attention and reply.

Are there enough books for ____? A: three us B: us three C: all us D: the three us

______ agrees to your plan. A: Anyone of us B: No one of us C: None of us D: Someone of us

Mr. Yang ______. A: teaches math us B: teaches us to math C: teaches math to us D: us teaches math