Question

四条英语选择题,关于情态动词的1.---someone is knocking at the door.________？

Answer 1

为你提供精确解答
1,选【D】can可能 cann't不可能.must的否定表示禁止.
2,选【A】后面有原因,所以是十分肯定的猜测.
3,选【B】can表示条件下的判断.
4,选【D】shall会,表示一种过去的习惯.,4,A,表肯定用can，否定用mustn't
AMust have been ，你昨天晚上一定出去了，我打了你几次电话，但是没人回应
D虚拟语气，主句would could might should
B时间状语从句，前面was,2,A 因为下句说她今天早上已经走了，所以肯定不会是
B
A
B,0,1、D，can't 用于否定句和疑问句中。
2、B，对过去进行肯定的推测。
3、D，同一楼解释
4、B，同一楼解释,0,四条英语选择题,关于情态动词的
1.---someone is knocking at the door.____________ it be Venis
----no,it ____________ be her,she left for new york this morning.
A.Can;mustn't B.Must;can't C.May;doesn't D.Can; can't
2..You____________ out last night.I called you several times,but nobody answered.
A.Must have been B.Must be C.might have been D.could be
3.You____________ fail the entrance examination if you don't study harder.
A.shall B.can C.must D.Should
4.When I was studying at Beijing University,I____________take a walk along the lake every evening.
A.will B.would C.Might D.shall