#[1] -They haven't finished all the work up to now.-They ___

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#[1] -They haven't finished all the work up to now.-They _____.
A.should
B.ought to
C.are supposed to
D.are supposed to have
翻译并且分析包括语法.

easy
are supposed to = should 应该的意思
are supposed to have (done) = should have (done) 本应该干某事但却没有做
所以这是一道虚拟语气的题目,答案当然选D

#[1] -They haven't finished all the work up to now.-They ___ [-C28] -They haven't finished all the work up to now.-They _ they finished the work all by t什么 They must have finished the work,---?A,mustn't they B,haven' They haven't finished their work.Maybe they have some troubl Why haven't they finished this work yet?They are supposed __ They had finished all the work _ yesterday morning 2)They must have arrived by now,haven't they?为什么是haven't the They haven't been to the Water Park,either.（同义句） ___ ____ th They spent all night ___ the work.A.do B.to do C.doing.D.don they (them)finished the work on time They have all finished doing the exercises