（中学）情态动词问题It's nearly 7 o'clock.Jack ___be here at any moment.A._英语解答

（中学）情态动词问题
It's nearly 7 o'clock.Jack ___be here at any moment.
A.must
B.need
C.should
D.can
但为什么不能用can啊?
With so much work on hand,you___ to see the game last night.
A.mustn't go
B.shouldn't go
C.couldn't have gone
D.shouldn't have gone
但为什么不是couldn't?表对过去的猜测

人气：348 ℃　时间：2020-04-10 11:41:43

解答

解决第一题,
你可以看到,句意是说jack本应该来应该在这,但是现在却不在.should有这个意思.而can是表示jack能在这
第二题是这样的.
仔细看题干,他的意思是,你不应该去看比赛.但是事实上已经去看了比赛.
有个固定句型：
shouldn't have done 表示本不应该做而做了.