QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: Sandy sang a song.

QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: The students are proud of themselves.

QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: Mary is often running the marathon.

QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS:
Peter was at the party