_ was not until he turned back that he realized that a policeman _英语解答

_ was not until he turned back that he realized that a policeman was standingbehind him 为什么
我想知道为什么不用that 用it

人气：406 ℃　时间：2020-04-16 05:57:35

解答

It 强调句型it is/was not until...that 直到……才