Roses need special care ______ they can live through winter. 

If there’s a leak, the first thing to do is to ______ the gas supply.

We will do all we can to relieve (缓解) the symptoms of the patients: that is our______.

Mr. Smith used to smoke _____ but he has given it up.

Laws that punish parents for their little children’s actions against the laws get parents ______.

The two brothers have so ______ in common in their taste and manners that they are even unwilling to share the same room.

The price of goods usually rises when the supply is not ______ to the demand.(5分)

At present the bedroom has to be ______ by at least six students.(5分)

It is ______ to examine these questions carefully by doing more group discussions.(5分)

The two brothers have so ______ in common in their taste and manners that they are even unwilling to share the same room.(5分)

A modern city has been set up in ______ was a wasteland ten years ago.(5分)

The ______ of ice sold increases sharply in the summer months.(5分)

Tony Zhang teaches kungfu in San Francisco not only to ______ a living, but also to promote Chinese culture.(5分)

Programming is not a simple thing; it ______ a lot of advanced knowledge of mathematics and computer science.(5分)

The accident didn’t do much ______ to either of the motorcars.(5分)