Our main concern is to _____ the living standard of the people.

_____ finished his work, he had to stay at home on the weekend.

As a matter of fact, they would rather leave for Beijing than _____ in Shanghai.

If Peter had given up his part-time job, he （ ） the final exam.

（ ） you do, you should put your heart into it.

Ten minutes _____ an hour when one is expecting a phone call.

It is her beautiful eyes （ ） attract most of the fans.

The degree （ ） you maintain your mental health may depend on certain simple environmental factors.

These three teachers vary_____their manners of teaching.

Tom might not have made such a serious mistake if he _____ your advice.

His sickness, （ ） with terrible weather, has completely ruined this longexpected trip.

Our students are free to study （ ） interests them.