⑴What did you do yesterday? A. Over the Internet.
⑵What does your uncle do? B. Four tons.
⑶How heavy is the elephant? C. I climbed mountains.
⑷How tall is he? D. Interesting.
⑸What do you think of the book? E. He's a postman.
⑹How do you know that? F. 170 cm.
