选出你所听到的句子。
（1）A.Point to the door.
B.Point to a door
C.Point to a desk.
（2）A.Please sit down.
B.Please stand up
C.Sit down,please.
（3）A.Good morning.
B.Goodbye.
C.Good afternoon.
（4）A.I am fine.
B.I am Daming.
C.I am OK.
（5）A.How are you?
B.How old are you?
C.Hello.