Mary _______ her mother with the housework, but she didn’t.  

—Does your uncle still smoke?—He ____________given it up. It’s two years ever since he ____________.

 “ Even if Sun Yang failed to kill passers-by in his car, he ___ be fined and put into prison for 2  weeks according to the law.” the judge said.

Tom ____his homework yesterday, because he was in hospital all day.

Oh, I’m not feeling well in the stomach. I _________ so much mushroom this morning.