This case is too heavy. Could you _____ me a favor?
A．to do               B．doing           C．do

________ pencil case is in the desk.

1. A.
   We
2. B.
   Our
3. C.
   I
4. D.
   My

-Your case is very nice．

-________．

1. A.
   Sorry
2. B.
   Oh, not nice
3. C.
   Thank you
4. D.
   Don't say so

This case is too heavy. Could you _____ me a favor?

1. A.
   to do
2. B.
   doing
3. C.
   do