单句改错 Because of the teacher behind me,I did n't have to worry.He _英语解答

单句改错 Because of the teacher behind me,I did n't have to worry.He was sure to lend me a hand.

人气：362 ℃　时间：2020-07-25 23:04:08

解答

把of去掉
because后面接句子
because of 后面接名词或短语