Burglar alamrs______at any time of the day or night serve only to_英语解答

Burglar alamrs______at any time of the day or night serve only to annoy.
A.that go off B.that are going off C.go off D.which going off
答案为什么是A

人气：166 ℃　时间：2020-02-05 09:03:30

解答

at any time of the day or night 表示经常发生的事只能用现在时.that go off at any time of the day or night修饰主语burglar alamrs,that go off at any time of the day or night 是定语从句,选c会导致谓语混...