Andy:Hi,Vince?

Vince:Yeah,hi,Andy!

Andy:Vince,can you play tennis with me?

Vince:Uh,when?

Andy:Today.

Vince:Uh,no,sorry,I can’t.I have to go to the doctor and study for a test today.

Andy:How about tomorrow?

Vince:Sorry,tomorrow I have to play soccer and I have a piano lesson.

Andy:Oh.Well,what are you doing the day after tomorrow?

Vince:I may have to look after my little sister.

Andy:Oh,I see.

Vince:I’m sorry,Andy.I’m really busy this week!