I suppose he ought to have known that,________?
#65462
A
don’t I
B
oughtn’t he
C
do I
D
ought he
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---“Didn’t the robot have a rest?”---“_______. Because it never gets tired.”
#59999
A
No, it did
B
Yes, it did
C
No, it didn’t
D
Yes, it didn’t
—I telephoned him twice and I couldn’t get through to him. —The line might have been out of order, ?
#64642
A
don’t you
B
wasn’t it
C
do you
D
hadn’t it
He must have admired what you did yesterday, ___?
#65298
A
hasn't he
B
didn't he
C
must he
D
haven't he
— __________ have you been to Taiwan?— Only once.
#60020
A
How often
B
How many times
C
How long
D
How soon
(2013·甘肃河西五市一模)Look! The ground is wet. It must have rained last night, ________？
#64489
A
hasn't it
B
hadn't it
C
mustn't it
D
didn't it