QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: The cat thinks that he is out of the bag.

QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: The clown was amusing to the children.

QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS: Hank plays the guitar and finds arrangements for all the old folk songs which are still sung in these hills, and Ernie writes down all the old folk songs which are still sung in these hills.

QUES: acceptable (OPTIONS:
- unacceptable
- acceptable)
ANS:
I haven't seen this sentence before.