QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: The flag waved.

QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: John studied hard to pass the exam.

QUES: unacceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: John to love Mary would be doubtful.

QUES: unacceptable (OPTIONS:
- unacceptable
- acceptable)
ANS:
Which poem did you hear Homer's recital of last night?