---How long ______ you ______  the bicycle?     ---About two weeks.

So far this year we________a fall in house prices by 5 and 10 percent．

—      Peter come to see us?—I think he will come if he        not busy.

----------Do you know the _________about the writer? ----------Yes, he has _________for 2years.

I’ll do it better if the teacher _______ me ten more minutes.