--Hong long ________ at this job?

--Since 1990.

[　　]

A. were you employed

B. have you been employed

C. had you been employed

D. will you be employed

Motion is absolute ________ stagnation is relative.

[　　]

--Alice, why didn't you come yesterday?

--I _______, but I had an unexpected visitor.

[　　]

--I ______ your office yesterday. Someone answered but I couldn't recognize the voice.

--Oh, it _______ my secretary.

[　　]

A. called to; must be

B. called to; must have been

C. phoned to; must be

D. phoned to; must have been

________ has been announced, we shall have our final exams next month.

[　　]

I hate ________ when people talk with their mouths full.

[　　]

In fact ________ is hard job for the police to keep order in an important football match.

[　　]

--I________ you ________ in New York. How long have you been in America?

--Oh, a week.

[　　]

A, don't know; were

B. haven't known; are

C. hadn't known; were

D. didn't know; were

Word came ________ Mr President would come and inspect our school himself.

[　　]

This is a factory ________ radio parts are made.

[　　]