When Jim’s mother came in, he _______ his homework.A.is doing B.has done C.was doing
The sailor is ______ of his experiences, because he has been to about 30 countries.
—Don’t keep water running when you wash hands. —________.
—I’m going to Hawaii with my uncle this month for my holiday. —______!
Mr. Wang often ________ his dictionary in the library.
— gloves are these? —Sorry. I don’t know.