After a second thought, Jean       a better method to deal with the problem.

I hated it when people don’t ___________ their promises.

If we don’t take steps, some rare animals, such as the Tibetan antelopes and pandas will ____________ some day just as dinosaur.

------- How can we __________ to a changeable environment?
-------- By constant study and changing our ideas.

Have you ever wondered why some of the smartest students in your class sometimes ____ failing exams?

It seems as if they are going to ____ us a lot of money for the party hall．

.It's no use trying to______him to give up smoking; he won't listen.（杭州市)

I didn’t know what “loquacious” meant and had to ________ in a dictionary.

Smoking is harmful for health. It is       in all parts of this building.

The prices of the dolls      from $5 to $100.