Tony knows China very well because he ______ in China for twenty years.

Do you have to do this weekend?

There __ two slices of turkey on the table and there __ some relish on the slices.

Tom, do you know there _________ a sports meeting next Thursday? –Sorry, I forgot to tell you.

Did you go to school yesterday?— Yes, I did. But I was late. When I got to school, Mr. Zhang __________his lessons.