Q: Valid English sentence (grammatically) or not: John didn't see anything.
OPTIONS:
- unacceptable
- acceptable

A: acceptable

Q: Valid English sentence (grammatically) or not: I am anxious for you to arrive on time.
OPTIONS:
- unacceptable
- acceptable

A: acceptable

Q: Valid English sentence (grammatically) or not: It is crucial for John to show an interest.
OPTIONS:
- unacceptable
- acceptable

A:
acceptable