从所给的四个选项中,选择最合适的一个填入问号处,使之呈现一定的规律性()
A.
B.
C.
D.
参考答案:D
水泵产生气蚀会造成水泵机组()和有噪声。
—Where is the post office?
—It's just over there, at the end of the street. You not miss it.
A.can
B.must
C.may
D.would