－Is the box old or new?

－________.

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－Can you see the clock?

－Yes, ________.

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－Is your dress blue or yellow? －________.

[　　]

________, is this your bike?

[　　]

－Is your dress blue or yellow? －________.

[　　]

－Could you help me, please?

－________.

[　　]

－________? －Yes, I'd like a T－shirt.

[　　]

A．Can I help you

B．What do you want

C．What can I do for you

D．Can you help me

－Is this your book?

－Yes, it is. －________.

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－Thank you very much.

－________.

[　　]

Is Miss Gao at school? ________, I don't know.

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