—People often don't appreciate what they have, do they?—No, _________ they lose it.
—How much farther shall we have to go?—Another five miles until we reach the mountain________.
—Do you have any problems if you ________ this job?—Well,I’m thinking about the salary.
Although he was in great need of money, he our help.
A fence at the back of the garden us from the neighbours, but we still often help each other.
The graduate’s mind when he learned that he could not get the graduation diploma because of his poor performance.