Read and choose. 1.sou the cats in the garden a are watching b is watching 2.listen! tom the piano a is playing b are playing 3. is it an orange? a you are eating b are you eating 4.look, mum! i may face! a 'm paiting b payting 5. where's tress again? a she is climbing b is she climbing 6.the children 're playing! a aren't swimming b isn't swimming