They must have finished the work by the end of last month, ______? A.hadn’t they B.mustn’
Theymusthavefinishedtheworkbytheendoflastmonth,______?A.hadn’ttheyB.mustn’ttheyC.have...
They must have finished the work by the end of last month, ______? A.hadn’t they B.mustn’t they C.haven’t they D.didn’t they
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A
试题分析:句意:他们上个月的月底一定已经完成了这项工作,不是吗?当情态动词must表推测时,其
反义疑问句
要根据实际情况来判断,本题的
时间状语
是by
the
end
of
last
month,应与
过去完成时
连用,还原一下本题应为:They
had
finished
the
work
by
the
end
of
last
month.故选C。
试题分析:句意:他们上个月的月底一定已经完成了这项工作,不是吗?当情态动词must表推测时,其
反义疑问句
要根据实际情况来判断,本题的
时间状语
是by
the
end
of
last
month,应与
过去完成时
连用,还原一下本题应为:They
had
finished
the
work
by
the
end
of
last
month.故选C。
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