. —Mary told me she would ______computer study.—Really? I'll try my best to ask her to _____such foolish ideas.
There is so much rain on the island that its annual rainfall reaches ________.
Look! The ground is wet. It must have rained last night, ________?
—Did you tell her the bad news? —Yes, but I'd rather ________.
He is only too ready to help others, seldom, ________, refusing them when they turn to him.
A recent study has found that the number of smokers ________ sharply over the past five years.