⑴What are they doing?           A. My name is Jenny.

⑵How old are you?                 B. They are playing.

⑶What's your name?              C. I cut my nose.

⑷Happy birthday to you.        D. I am ten years old.

⑸What's the matter?               E. Thank you.

⑴—How old is Niuniu?

—She is six.

⑵—How old is Fangfang?

—She is seven.

⑶—Hello, Lynn, How old are you?

—I'm three.

⑷—Hi, Meimei. How old are you?

—I'm nine.