______ everyone is here, let's go on with our meeting.

[    ]

　　A. Since   B. Because   C. For   D. As

I think you can do it by yourself, ______?

[    ]

　　A. do you   B. aren't you   C. don't you   D. can't you

Since 1978 the Chinese people ______ great changes.

[    ]

　　A. has had   B. happened   C. have had   D. had had

I ______ never ______ farther than Shanghai.

[    ]

　　A. did, travelled   B. have, travelled

　　C. am, travelling   D. can, travelled

Great changes ______ in our country since 1987.

[    ]

　　A. took place　　　　　　  　　B. have taken place

　　C. have been taken place   D. took the place

These days we ______ busy going over our lessons because we ______ an English test soon.

[    ]

　　A. are, have   B. have been, shall have

　　C. were had    D. have been, have

His brother has ______ since he was sixteen.

[    ]

　　A. become a worker　　    B. joined the army

　　C. been a League member   D. got to Beijing

The football match ______ for ten minutes, we are watching happily.

[    ]

　　A. has already begun　　 B. has already be on

　　C. has already been on   D. has already be

My uncle ______ in that street since he came to this city.

[    ]

　　A. has lived   B. had lived   C. lived   D. is living

I ______ in this school for ten years.

[    ]

　　A. have worked   B. am working   C. work   D. was working