7．A．Welcome．                                   B．Yes，I can．                        C．I don't like CDs．

6．A．She said I was hard--working．      

B．She said I didn't like math．     C．This was my favorite subject．

5．A．It has three heads．                 B．Not really．                      C．Yes，it is．

Ⅱ．

4．A．I agree．                          B．Yes，thanks．                   C．No，I am not．

3．A．For a few minutes．          B．At 4:00 pm．                        C．In a week．

2．A．Yesterday．                      B．Tomorrow．

C．When I got home last night．

1．A．I am swiping．                     B．I was making a milk shake．

C．I often write letters to my pen pal．