Question

三个英语基础知识问题,燃眉之急!

Answer 1

3.know what the bag contained 是宾语从句,contained 在这里就是从句中的谓语,主句 Little Johnny [felt] it ,because of which his father blamed 时态用的是过去时.要保持主句和从句的时态一致.

4.stell works是不可数名词,所以谓语要用单数动词has been supplying

5.let sb do sth.是固定结构,是省略了to 的动词不定式（非谓语结构）