50．A．plays                    B．play                    C．playing                  D．to play

A

Dear Mona，

Can you bring these things to me? My math book，my jacket and my dictionaries．My math book is on the bed．The jacket and the dictionaries are on the sofa．

Thanks，

Eric

Dear Frank，

Your uncle's tapes are on the dresser．Please take them to school．He needs them．

Thanks，

Mom

Dear sister，

I need my jacket and CDs．The jacket is on the bed．The CDs are on the table．

Thanks，

Mike

Dear Mike，

Here is your jacket．Your CDs are not on the table．I can't bring them to you．

Yours，

Linda

49．A．a                         B．two                     C．three                      D．four