We all know that we our carbon footprint, but I suspect that many people wouldn't be prepared to go as far as Joan Pick, a retired scientist living in south London.
A. must have reduced
B. should have reduced
C. may have reduced
D. could have reduced
We all know that we our carbon footprint, but I suspect that many people wouldn't be pre
答案:2 悬赏:70 手机版
解决时间 2021-03-24 09:57
- 提问者网友：绫月
- 2021-03-23 10:53
最佳答案
- 五星知识达人网友：鸠书
- 2021-03-23 11:58
A. must have reduced(答案→)B. should have reducedC. may have reducedD. could have reduced解析：B 考察情态动词。句义：我们都知道本应该减少碳，但是我怀疑很少有人能够项Joan Pick一样。Must have done表示对过去情况的肯定推测。过去一定…；should have done本应该做某事，实际上却未做。May have done或许…；表示没有太大的把握，根据句义说明B正确。
全部回答
- 1楼网友：山君与见山
- 2021-03-23 12:48
你的回答很对
我要举报
如以上问答信息为低俗、色情、不良、暴力、侵权、涉及违法等信息，可以点下面链接进行举报！
大家都在看
推荐资讯