It has been announced that candidates ( 候选人)_____remain in their seats until all

It has been announced that candidates ( 候选人)_____remain in their seats until all

题型:不详难度:来源:
It has been announced that candidates ( 候选人)_____remain in their seats until all the papers has  been  collected .   
A.canB.willC.mayD.shall

答案
D
解析
这里的shall表示一种命令;有必须、必将的意思。
举一反三
If Alice ______this afternoon, the meeting should be put off.
A.would not comeB.might not come
C.should not comeD.could not come

题型:不详难度:| 查看答案
Why ____it  get  colder  when  we  go up a mountain ?We are  getting  nearer  to  the  sun !
A.ought toB.wouldC.shouldD. must

题型:不详难度:| 查看答案
----Carol Walker didn’t turn up last time ,did she ?
----No .She _______.We had changed our plan .
A.shouldn’t have comeB.needn’t have to come
C.didn’t need to comeD.needn’t have come

题型:不详难度:| 查看答案
The tourists didn’t stop to rest at each station because it ______them down.
A.had slowedB.would slowC.should have slowedD.would have slowed

题型:不详难度:| 查看答案
I recommend you _______ the new restaurant on the corner; the food is excellent.
A.would tryB.triedC.tryingD.try

题型:不详难度:| 查看答案
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