Unit 7第A题答案
| 1 | 2 | 3 | 4 | 5 |
| b | c | a | b | c |
Unit 7第B题答案
| a | b | c | d | e |
| 5 | 4 | 2 | 3 | 1 |
Unit 7第C题答案
| 1 | 2 | 3 | 4 |
| c | a | b | c |
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.
Unit 7第E题答案
2. four pears
3. six oranges
4. five chickens
5. two cows
6. one/a duck

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