句型转换。

1.  The pens are in the backpack.  (对画线部分提问)

     _____ _____the pens?

2.   This tape is in that case. (改为复数句子)

      _____ in _____ _____.

3.  I can spell the word.(改为一般疑问句)

      _____ _____ spell the word?

4.  I know that boy.  (改为否定句)

     I _____ _____ that boy.

5. take, to. book, your. the, please, math, sister (连词成句)