1 Unit 3第A题答案
abc146def235
2 Unit 3第B题答案
对 错 对 对 错 对
3 Unit 3第C题答案
1. —Is this your pencil case，Liu Tao?
—Yes，it is. Thank you.
2. —Is this your schoolbag，Helen?
—Yes，it is. Thank you.
3. —Is this your crayon，Yang Ling?
—No，it isn't.
—What colour is your crayon?
—It's red.
4. —Is this your ruler，Mike?
—No，it isn't.
—What colour is your ruler?
—It's blue.
4 Unit 3第D题答案
1234bdac
5 Unit 3第E题答案
1. schoolbag
2. pen
3. pencil case
4. crayon