Question

Find grammatical error:. (A) all the guests on the (B) boat got frightened (C) when they heard the alarm. . a.(A). b.(B). c.(C). d.no error

Answer 1

I well, i think the answer is D. No error

A. is correct, because 'all' mean plural, so we should use guests
 
B. is correct, because it's a passive form and need a verb3

C. is also correct

hope this helps