We would appreciate it if customers don't______ to leave their suggestions and expectations for our product.

A sense of         is what it takes for a comedian to perform well in a comedy.

You promised me to go to the zoo on Sunday. You must keep ______, Mom.

During the lecture, the speaker occasionally ___________ his point by relating his own experience.

The native Canadians lived in __________ with nature, for they respected nature as a provider of life.

_________ by the superstars on television, the young athletes trained hard and played intensely.

You’d better        fatty food if you want to stay slim

Getting your students ________ in classroom activities is vitally important.

Mr. Tiger insisted that he _______ the money back to his boss but his boss said that he didn’t receive it.