____ will he be back? In a week.
#59917
A
How long
B
How soon
C
How often
D
How many
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I think that something has to be done to stop the air from being polluted, ______ ?
#64578
A
doesn't it
B
don’t I
C
don't they
D
haven't they
_____ T-shirt do you like better, the red one or the blue one?I prefer the red one
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A
How much
B
How many
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Whose
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Which
The student must be working very hard, ________?
#64521
A
doesn’t he
B
mustn’t he
C
needn’t he
D
isn’t he