The Answer Is D. The subject should always agree with the predicate<span />
I think 19 should be A or E, both sound correct. But you have to consider whether the sentence is in present or past tense. Past tense would be A.
20 is E.
Answer:
It is the first answer: The dog <u>harrowed</u> the poor cat until it finally hissed and fled the room
Explanation:
Hope this helps!
I think a. Because airport can't be capitalized <span />