请分析这道题All buses__because of the storm,many passengers chose to take the train.为什么选A呢?
A having been cancelled
B having been cancelling
C had been cancelled
D were cancelled
人气：289 ℃ 时间：2020-04-12 17:08:35
解答
后面才是主句,已经有了主谓,用的是过去式,
那么前半句应该是过去完成时,又不能再出现谓语,所以用ing形式独立主格.
不管是过去完成时还是现在完成时,独立主格时都是having
先A.
推荐
- 1.All flights ___ because of the snowstorm,many passengers could do nothing but take the train.
- All flights _________ because of the snowstorm,many passengers could do nothing but take the train.
- All flights ______ because of the storm,they decided to take the train.
- All flights____because of thesnowstorm,many passengers
- The flight ____ because of the snowstorm,many passengers could do nothing but take the train
- 五环电阻棕、绿、黑、黑、棕怎么读?
- 国庆长假,大街上什么什么(写两个体现人多的成语)
- 有一桶油,油和桶共重52千克,倒出一半油后,这时连桶共重27千克,原来桶里有多少克油?如题 谢谢了
猜你喜欢
