1) They ____________ singing. a) am not b) is not c) are not 2) He____________ making a cake. a) am not b) is not c) are not 3) She____________ watering the plants. a) am not b) is not c) are not 4) He____________ exercising. a) 'm not b) 's not c) 're not 5) They____________ making the bed. a) 'm not b) 's not c) 're not 6) They____________ slepping. a) 'm b) 's c) 're 7) She___________playing baseball. a) 'm not b) 's not c) 're not 8) Martin___________ playing table tennis. a) 'm not b) 's not c) 're not 9) Luis and Martin ___________playing soccer. a) 'm b) 's c) 're 10) Anita ___________eating mango. a) 'm not b) 's not c) 're not

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