1、-【】you【】(konw)the old man?-Yes,I do.This boy【】(not do)his homework carefully(仔细的).

问题描述:

1、-【】you【】(konw)the old man?-Yes,I do.
This boy【】(not do)his homework carefully(仔细的).

Do you know the old man? Yes,I do.
This boy didn’t do his homework carefully.

Do know
didn't