摘要： -This bus is always late, ? -It is sure. A. is not it B. isn’t it C. isn’t the bus D. doesn’t it
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—This bus is always late, _____?
—It is sure.
—It is sure.
[ ]
A. is not it
B. isn't it
C. isn't the bus
D. doesn't it
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B. isn't it
C. isn't the bus
D. doesn't it