The restaurant must be crowded from ________number of cars parked in front of it,________?
#65470
A
a;isn’t it
B
the;isn’t it
C
the;mustn’t it
D
a;mustn’t it
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— _______ classes do you have every weekday?—Seven classes. 
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How many
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How much
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How long
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________ under the tree? No,they aren’t.
#60267
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Where are
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What is
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 He must be helping the old man to water the flowers,________?
#64494
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is he
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isn't he
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