Is the following sentence linguistically acceptable?
Who did you think Mary saw?
OPTIONS:
- unacceptable
- acceptable

acceptable

Is the following sentence linguistically acceptable?
I have sent 0 letter to Environmental Heath
OPTIONS:
- unacceptable
- acceptable

unacceptable

Is the following sentence linguistically acceptable?
Henry saw that Bill left.
OPTIONS:
- unacceptable
- acceptable

acceptable

Is the following sentence linguistically acceptable?
which books about cooking does Henri want to buy?
OPTIONS:
- unacceptable
- acceptable
acceptable