（2007年浙江省第二次五校联考，8）How long do you think ___________ the Microsoft brings out a new product?

_______ do you go shopping with your mother?— I seldom do that.

I bet Mrs. Black will come to help us with the celebration if she ______ too busy tomorrow. [ ]

The guide’s last words_________us that we should bring raincoats or umbrellas.

How long does it take to get to the airport?—Forty minutes. But it’s foggy today. I’m not sure the highway will closes soon. Let’s set off earlier.