When I was walking in the street yesterday，I saw a UFO________over my head．
| A．flying |
| B．flies |
| C．flew |
| D．to fly |
【2012贵州贵阳】Linda is not good at Chinese, but she passed the exam ______ the help of her classmates.
A. with B. under C. without
【2012贵州毕节】 Her mother goes to work ______ bus every morning.
| A．by | B．at | C．on | D．in |
【2012福建福州】Bill has made great progress _____________the help of his teachers.
A. for B. with C. under
【2013湖北荆州】— Do you know that Mr. Zhang passed last week?
— Yes. He died illness.
| A．away; of | B．on; from |
| C．by; with | D．off; as |
【2013安徽】Mrs. King put a coat_____________ the sleeping girl to keep her warm.
| A．over | B．with | C．behind | D．beside |