QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: much information is needed.

QUES: unacceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: We abandoned from the area.

QUES: unacceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: John knows whose book Mary bought and Tom talked.

QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS:
This large parcel is very heavy.