______ young should respect ______ old.

[    ]

　　A. A, an   B. The, a   C. The, the

Look! They _____ over there.

[    ]

　　A. run   B. is running   C. runs   D. are running

Great changes ______ in China since 1978.

[    ]

　　A. take place　　　　 B. have been take place

　　C. are taking place   D. have taken place

I ______ the mountains ______ with thick snow.

[    ]

　　A. had, covered　　 B. had, covering

　　C. found, covered   D. found, covering

She ______ not work in a middle school.

[    ]

　　A. is   B. does   C. has   D. do

______ I see the doctor now?

[    ]

　　A. Have   B. Did   C. Can   D. Have to

______ you often go out for a walk after supper?

[    ]

　　A. Are   B. Do   C. Does   D. Have

Cats ______ up trees very quickly.

[    ]

　　A. climb   B. climbs   C. climbing   D. climbes

There ______ a class meeting next Tuesday.

[    ]

　　A. is   B. has   C. will have   D. will be

" ______ answer is right," the teacher said.

[    ]

　　A. None   B. All   C. Everyone   D. Neither