QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: For Mary to leave on time is important.

QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: John tried.

QUES: unacceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: Jason killed.

QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS:
John died last night.