A:get out
B:get o
C:get off
D:get over
下列各句中,加横线的词语使用正确的一句是()
组成一个三角形需要3根木棒,现在要摆7个三角形,写出乘法算式____,
Peter ________ some beautiful postcards to his friends yesterday.
— For your health, my boy, I'm afraid you ______.