QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: John might pass the exam, and as might Bill.

QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: David constructed a house from bricks.

QUES: unacceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: Bill can well imagine the more he eats, the fatter getting.

QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS:
It was an explosion that you heard.