Such animals like dinosaurs died out because they couldn’t _____ to the change of the climate.

If his spare time is ______aside for relaxation, he was _____to have a healthy life.

The horse _____the distance in 28 hours ____the train's six days.

Things will only _____if we all keep to the plan. 

—Peter, have you _____your decayed tooth? —Yeah, but it’s terrible . I had _____most unpleasant time at the dentist’s.

--Is the book Dream of the Red Chamber well worth _____?---Yes, I think so, but I can’t make _____of it completely.

一Is Tony a man with good manners?一I don’t think so. As a matter of fact, he is ______but polite.

Under the new schedule, school teachers must ______each class on time, instead of adding extra lessons.

It suddenly occurred to Anne that money couldn't ____ all that Bob had suffered in the past five years.

After a second thought, Bill ________ a better idea of how to solve the problem.

The doctor suggested she ______ in bed, while her smiling face suggested there ______nothing serious. 

You needn’t have ________ the speaker when he was speaking; there was enough time afterwards for you to ask questions. 

Hardly had she heard the sad news that her son lost her job when she_____crying.

The parents have devoted themselves to bringing up their children and now it is time for the children, ______, to show their devotion to their parents. 

The bill would ______ workers twelve weeks of unpaid leave for family emergencies.

—Please ______ your disgraceful conduct during the ball! —I’m sorry.  I was totally out of my mind. 

He asked us to          him ______ carrying through their plan.

Tom kept quiet about the accident ________ lose his job.

After studying in a medical college for five years, Jane ___ a job as a doctor in the countryside. 

Another form of poem that teenagers like is the Tang Poem, a poem usually ________ four or more than four lines.