QUES: unacceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: John referred from the building.

QUES: unacceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: Which picture is Ann going to send to her teacher of Chairman Mao as soon as she gets home?

QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: Why haven't any books been returned?

QUES: unacceptable (OPTIONS:
- unacceptable
- acceptable)
ANS:
What Mary gave was a book to John.