The rules of the school don’t _______.

　　 A. allow to smoke　　 　 B. be permitted to smoke

C. be allowed smoking D. permit smoking

The rescue team ______to help but failed to get there in time.

A. had wanted　 B. have planned　 C. were expecting　　 D. hoped

I would appreciate____back this afternoon.

A. you to call　　　 B. you call　　　 C. your calling　　 D. you are calling

Her ________（暫時的）shyness was due to her unfamiliarity with the environment.

—Did you return Fred’s call?

—I didn’t need to _____ I’ll see him tomorrow.

A. thought 　 B. unless　　　　 C. when 　　 D. because

You’d better not have the light ________ all day long.

A. burning　　　 B. burned　　 C. to burn　　　　　　 D. being burnt

It wasn’t ________ she saw her mother that the little girl felt safe and stopped crying.

　 A. when　　　　 B. before　　　 C. after　　　　　　 D. until