I had a letter___(send) in the post office,I was too busy答案是senthave 这个词后面不是加动词原形吗?和let,make一样……还有种又是加动词ing的相当于Keep现在有点晕了,分不清怎么办?

分类: 作业答案 • 2022-05-13 22:37:33

问题描述：

I had a letter___(send) in the post office,I was too busy
答案是sent
have 这个词后面不是加动词原形吗?
和let,make一样……
还有种又是加动词ing的
相当于Keep
现在有点晕了,分不清怎么办?

答