“________ is my backpack?”

“It's on the bed.”

1. A.
   What
2. B.
   How
3. C.
   Where
4. D.
   Who

-________ is my new backpack?

-It's under the chair．

1. A.
   What
2. B.
   Who
3. C.
   How
4. D.
   Where

--- ____________ is my backpack?  

--- It’s under the bed.

A．What          B．How         C．Why         D．Where

?________ is my backpack?

?It's on the sofa.

A. What

B. Where

C. How

D. Where's