QUES: unacceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: Has that we have arrived back at our starting point proved that the world is round?

QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: I liked Mary.

QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: They haven't decided which attorney will give the closing argument.

QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS:
Where did the policeman meet several young students?