从下面各句A、B、C、D中找出一处错误并改正。
1. That's a chinese car.
A B C D
2. That is a pencil box.
A B C D
3. — What's this in English?
A B
— It's computer.
C D
4. — And what's this?
A B C
— This is a pencil sharpener.
D
1. C: chinese→Chinese 2. D: pencil box→pencil-box
3. D: computer→a computer 4. D: This is→It's