(  )1. ―______ the Internet ______ in your school?

―Yes, but the computer in your office has often broken down.

A. Is; used     B. Is; using   C. Does; use   D. Has; used

(  )2. Must old people ______ to politely?

A. speak       B. spoken  C. are spoken  D. be spoken

(  )3. ―Have all the students known that our class will have a meeting this afternoon?

―Yes. Every student ______ about it.

A. tells      B. told   C. has told   D. was told

(  )4. I ______ ten minutes to decide whether I should accept the invitation.

A. was given  B. gave  C. was giving  D. had given