1) ... pictures. a) Those are b) That is a 2) ... books. a) This is a b) These are 3) ... board.  a) This is a  b) That is a  4) ... rubber. a) This is a b) That is a 5) ... books. a) These are b) Those are c) This is a d) That is a 6) ... my classroom. a) This is  b) That is  c) These are d) Those are 7) ... boxes. a) This is b) That is c) These are d) Those are 8) ... helicopter a) This is a b) That is a c) These are d) Those are

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