1) Are they going up the hill? a) Yes, they are b) No, they aren't 2) Is she playing table tennis? a) Yes, she is b) No, she isn't 3) Is he sailing? a) Yes, he is b) No, he isn't 4) are they running through the trees? a) Yes, they are b) No, they aren't 5) Is he skating? a) Yes, he is b) No, he isn't

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