1) She ..... happy. a) is b) isn't 2) They .... hot. a) are b) aren't 3) I ... sad. a) am b) 'm not 4) They ... thirsty. a) are b) aren't 5) He ... cold. a) is b) isn't 6) She ... angry. a) is b) isn't

Academy Stars 1. Unit 4. to be (+-)

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