1 Unit 7第A题答案
12345bcabc
2 Unit 7第B题答案
abcde54231
3 Unit 7第C题答案
1234cabc
4 Unit 7第D题答案
1. a —What are these?
—They're ducks.
b —What are those?
—They're ducks.
2. a —What's this?
—It's an orange.
b —What are these?
—They're oranges.
3. a —What's that?
—It's a dog.
b —What are these?
—They're dogs.
4. a —What's this?
—It's a bird.
b —What are those?
—They're birds.
5 Unit 7第E题答案
2. four pears
3. six oranges
4. five chickens
5. two cows
6. one/a duck