改后为:
1That is a Chinese car.
2That's his computer.
3Is this your English book?
4-Is that a clock?-Yes,that is.
5This is an apple.
6-What's this?-It's a bag.
改后为:
1That is a Chinese car.
2That's his computer.
3Is this your English book?
4-Is that a clock?-Yes,that is.
5This is an apple.
6-What's this?-It's a bag.