1) She (be not) _______________at home on Friday. She (be not) _______________at home on Friday.  a) isn't b) aren't c) am not 2) My students (be not) _________________ working hard enough My students (be not) _________________ working hard enough  a) are b) are not c) is not d) is 3) Peter (be not) _________________good at Math. a) aren't b) is c) is not d) am 4) Peter and I (be not) _________________brothers. a) am not b) is not c) are d) are not 5) We ____ not famous singers. a) ‘re not b) am 6) Doris _______ here. a) aren’t b) isn’t 7) These cars ____ my toys. a) are not b) am not 8) 6. The color of our hamster _____ brown. a) isn’t b) aren’t 9) My mother and I _____ at the supermarket now. a) is not b) are not

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