选择正确的选项，补全单词
w __ __ ld
A. ou
B. uo
C. uu
She is talking ____________ her father's birthday party.
A. to
B. with
C. about
You are ____________.
A. have a good time
B. having a good time
C. having good time
—Would you like to look at the pictures of my family?
—____________.
A. Sorry
B. Certainly
C. No
My uncle's ____________ .
A. play the piano
B. play piano
C. playing the piano