Q: Valid English sentence (grammatically) or not: How did you think that Mary solved the problem?
OPTIONS:
- unacceptable
- acceptable

A: acceptable

Q: Valid English sentence (grammatically) or not: I would dance with anybody.
OPTIONS:
- unacceptable
- acceptable

A: acceptable

Q: Valid English sentence (grammatically) or not: Robert thinks that students should eat asparagus.
OPTIONS:
- unacceptable
- acceptable

A:
acceptable