( ) 1. A. I went skating.
B. She went to Beijing.
C. I went to the library.
( ) 2. A. I read a book.
B. Yes, I did.
C. I went by plane.
( ) 3. A. Yes, I do.
B. No, I didn't.
C. Yes, I did.
( ) 4. A. He's 50 kg.
B. She's 170 cm tall.
C. I'm 160 cm tall.
( ) 5. A. No, she didn't.
B. Yes, she does.
C. No, she isn't.