78. The form is very important. Please f

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问题选择题

78. The form is very important. Please fill in the form _______ ink not _____ a pencil, Jack

A．in; by

B．with; in

C．in; with

D．by; in

答案

答案：C

选择题

—He_______to the meeting. Have you informed him of it?

—Sorry. I _______to.

A．hasn’t come; am going

B．didn’t come; have forgotten

C．hasn’t come; forgot

D．doesn’t come; will have

单项选择题

不属于发动机进气行程的工作过程是（）。

A.进气门开启

B.排气门关闭

C.活塞下行

D.活塞上行