It’s quite normal to    ten percent of the cost of a building for a period of six months or so, in case faults are found in it.

—What would you do if it ______ tomorrow ?—We have to carry it on , since we’ve got everything ready .

        what their friendships are based upon, the important thing to remember is          both of them are friendships.

—Excuse me! How can I get to the nearest post office?—Walk along this road for a few minutes, and you’ll        it there．

I can’t spend _____ money on the car which is _____ expensive for me.