Look and complete. 看图，完成句子
1. A: --What are these?
B: --They are ___________.
A: --What colour are they?
B: --They are ___________.
2. A: --What are these?
B: --They are ___________.
A: -- What colour are they?
B: --They are ___________.
3. A: -- What are these?
B: --They are ___________.
A: --What colour are they?
B: --They are ___________.
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