71．--Is that your book?-- ．A．That isn't B．It isn't C．Yes.that is D．No.it i——青夏教育精英家教网——

摘要：71．--Is that your book?-- ．A．That isn't B．It isn't C．Yes.that is D．No.it isn't

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---Is that your book?

---Yes, ________.

A．it is

B．it isn’t

C．it’s

D．this is

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--Is that your book?

--_______

[　　]

A．No, it is.

B．No, it isn't.

C．Yes, it's.

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--Is that your book?

--_______

[　　]

A．No, it is.

B．No, it isn't.

C．Yes, it's.

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一Is that your book? 一Yes___________.

A．it is B．it isn’t C．it’s

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一Is that your book? 一Yes___________.

A．it is B．it isn’t C．it’s

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