1. -What’s wrong with your pen?       --The ink ___ come out.
  A. doesn’t      B. won’t      C. hasn’t    D. can’t
2. -Where ___ you put my dictionary?       --I left it on your desk when you ___ to Tom.
  A. have; spoke     B. did; were speaking    C. have; had spoken     D. did; were spoken
3. -You were supposed to be present at the party.
  --Sorry. I ___ for my daughter to return from England at the airport.
  A. had been waiting    B. had waited    C. waited     D. was waiting