QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: Mary did not avoid Bill.

QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: The river froze solid.

QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: This girl in the red coat will put it and a picture of Bill on your desk before tomorrow.

QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS:
Every student in Mary's class is working on negative polarity.