1) Do they swim? a) Yes, they do. b) No, they don't. 2) Do they sing? a) Yes, they do. b) No, they don't. 3) Do they eat sweets? a) Yes, they do. b) No, they don't. 4) Do they sing? a) Yes, they do. b) No, they don't. 5) Do they use a computer? a) Yes, they do. b) No, they don't.

Do they?

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