--Are they about to have dinner?

-- Yes, it ______ in the dining room

  A. is being served    B. is severed        C. is serving       D. serves

--Did you see Sandy in the manager’s office?

-- Yes, she _____ by the manager.

  A. is questioned                              B. was being questioned   

  C. had been questioned                   D. was questioned

Travelers____ that they should bring their ID cards with them.

  A. have reminded                        B. are reminded  

  C. were reminded                       D. had been reminded

Tom ________ (not have) breakfast yesterday morning.

Listen! Someone  _________ (sing).

Uncle Wang ____________ (live) here since 1980

 ---______ you ____ (see) the film yet?

---Yes, I _______ (see) it last week.

By the time he was ten, the boy ________ (learn) English and French.

 The PLA ____________ (found) on August 1st, 1927.

 This kind of machine ___________ (can made) by uncle Wang.