----Four dollars a pair? I think it’s a bit too much.----If you buy three pairs, the price for each will_____to three fifty.
It's quite warm here; we ________ turn the heating on yet.
Sarah made ______ to the airport just in time to catch her plane this morning.
—Would you mind if I sit here? — _________. It is for Mr. Brown.
Now more and more workers ______their free time trying to improve themselves at school or college.
I’m afraid physics is completely ________me and I have to ask you for help.