A: Is that ______ pear?

B: No, it isn't. It's ______ apple.

[    ]

　　A. a…a   B. an…an   C. a…an   D. an…a

—Is that _ 　 _ schoolbag?

—No. __ _is white.

A. his, His 　　 B. her, His 　 C. he, His 　　 D. her, Her

---Is that Nick?

---No, _________.

A．it isn’t                               B．he isn’t

C．that isn’t                             D．she isn’t

----Is that Henry?

   ----No. He      here. He has gone to Australia.

  A. may be         B. mustn’t be          C. can’t be            D. might be