Hello, boys and girls. My1 is Wang Hua. I2 in Class Three. This is our 3 . There are 474 and 46 chairs in it. 5 are 22 boys and 24 girls in our class. There are6 English girls7 our class. They are Lucy and Lily. 8 are twins (双胞胎). We are9 . Miss Li is10 teacher. She is friendly (友好的). We like our class.
B:
A: When was it invented?
B:
A: How did it work?
B:They pushed the pedals down hard with their feet.
A: What was it made of?
B: It was made of wood.
A. It can hardly be seen in China now.
B. It was invented many years ago.
C. Usually two people stood on it.
D. It was used for getting water.
E. Then the water could be brought up.
F. It's an old machine.
G. What was it used for?
