He made some marks in the article where _____.A.he was necessary _英语解答

He made some marks in the article where _____.
A.he was necessary B.necessary C.it necessary D.was necessary
为什么呢?

人气：486 ℃　时间：2020-05-12 20:35:26

解答

省略了it was
原句：He made some marks in the article where it was necessary