Did you see the accident happenDid you see the accident ________ _英语解答

Did you see the accident happen
Did you see the accident ________ 是happen 还是happened,为什么

人气：222 ℃　时间：2020-01-30 21:42:49

解答

happen
see sb.do/doing sth.
而happen 是瞬间动词在这里只能用原形