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---Whose cassettes are these?
---Sorry, _______.
A. these are your B. those are her C. I don't know
根据图示填空
Those are new _____.
用所给词的适当形式填空
Those are _____ (they) books. That's _____(he) car.
根据图示，从
Those are _____ pencils.
A. nine B. ten C. eleven
Read, tick and say．(读一读，勾一勾，说一说)
Those are my trousers．
