Question

— Linda hasn’t shown up yet.
— It’s strange. She ____

1. A.
   could
2. B.
   might
3. C.
   must have
4. D.
   should have

Answer 1

D
考查情態動詞。should have done 本應該做某事，而實際上沒有做。句意：琳達還沒有出現。真奇怪，她本該出現的，所以選D，should have后省略了shown up。