1) What __ it? a) is b) are 2) What ___ they? a) is b) are 3) What are ___? a) it b) they 4) They __ birds. a) is b) are 5) It ___ a rock. a) is b) are 6) ___ a butterfly. a) It's b) They're 7) ___ the ocean. a) It's b) They're 8) ___ butterflies. a) It's b) They're 9) It's ____ a) a mountain b) mountains 10) They're ___. a) a tree b) trees

What is it? What are they?

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