—The flowers are beautiful. How do you look after them?—Well, this kind of flowers _________ every morning.A. should water B. waters C. must be watered
Stop making so much________.The children are sleeping. A.voice B.noise C.sound
You________be serious!You’re actually going to lend him money again?
—Excuse me,when are we going to have a picnic? —I’m not sure.Ask our monitor,please.He________know.
—Whose is the pencil box? —It________be Tom’s.Look at his name on the cover!
—Morning,class.Is________here? —No,sir.Tom is absent.