Q: Valid English sentence (grammatically) or not: They drank the pub.
OPTIONS:
- unacceptable
- acceptable

A: unacceptable

Q: Valid English sentence (grammatically) or not: I wonder whether Mary will win.
OPTIONS:
- unacceptable
- acceptable

A: acceptable

Q: Valid English sentence (grammatically) or not: It was last night that the policeman met several young students in the park.
OPTIONS:
- unacceptable
- acceptable

A:
acceptable