the clock slowed down.it ___ 1 was slow 2 was behind 3 went back _英语解答

the clock slowed down.it ___ 1 was slow 2 was behind 3 went back 4 went slowly
请问选择哪一个,及分别说出每个为什么对与错,

人气：188 ℃　时间：2020-06-19 04:58:48

解答

It was slow.它走慢了.／它是慢.
It went slowly.它慢慢地走.