⑴Nice to meet you!
⑵Hi, I'm Hao Tian!
⑶Look, a ball!
⑷Look, a cat!
A. Yes, It's a ball.
B. No, It's a dog.
C. Hi, I'm Wendi.
D. Nice to meet you, too.
—Yes, it's a book.
—____________.
—____ It's a watch.