QUES: unacceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: The senators be certain that the president is telling a lie.

QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: The beans were grown by the gardener.

QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: The inspector analyzed the building's soundness.

QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS:
Mary persuaded John to fix the computer.