新概念英语 They _________ a good time,______ they?A have; do B have; d_英语解答

新概念英语
They _________ a good time,______ they?
A have; do
B have; don't
C are having; are
D are having; aren't

人气：323 ℃　时间：2020-04-05 05:32:13

解答

D are having; aren't他们正玩得很快乐,不是吗?前肯定,后否定
而A 不符合前肯定,后否定的原则.并且时态不对；同样B时态也不对；应该用过去时.
had.didn't为什么过去式