Doctors recommend that all children ________ vaccinated against measles(麻疹).A.s

Doctors recommend that all children ________ vaccinated against measles(麻疹).A.s

题型:不详难度:来源:
Doctors recommend that all children ________ vaccinated against measles(麻疹).
A.shouldB.could beC.areD.be

答案
D
解析

举一反三
.
.--- Must I go there right now?  
--- No, you_________.
A.don’t needB.mustn’tC.don’t have toD.hadn’t better

题型:不详难度:| 查看答案

. -- Jack _______ for work in the downtown. What was the matter?
-- _______, but he had no luck.
A.ought to have hunted; So he wasB.ought to have hunted; So he did
C.ought to hunt; So he hasD.ought to hunt; So he did

题型:不详难度:| 查看答案
.
They ___ out because the light’s on. Let’s go upstairs and have a look.
A.mustn’t goB.can’t have goneC.couldn’t goD.might have gone

题型:不详难度:| 查看答案
.
She ______have stopped her work halfway.
A.ought to notB.ought not toC.not ought toD.does not ought to

题型:不详难度:| 查看答案
.
. ----She looks so unhappy. Did you tell her the truth yesterday? 
----Yes, but I ____ her later.          
A.must have toldB.should have told
C.shouldn’t have toldD.mustn’t have told

题型:不详难度:| 查看答案
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