1) She _____ swimming in the ocean. a) is b) are 2) Kate ___ dancing with Bob. a) is b) are 3) I ___ taking photos. a) am b) are 4) The teacher ___ riding his bike. a) is b) am 5) He___ playing computer games. a) isn't b) aren't 6) We___ playing the guitar. a) isn't b) aren't 7) They___ playing the piano. a) aren't b) amn't 8) We ____ playing volleyball. a) are b) am 9) Dad _____ windsurfing. a) is b) are 10) Lusy ___ sailing with Tom. a) isn't b) amn't 11) I ____ swimming in the river. a) amn't b) am not 12) Jack and Susan ____ kayaking. a) are b) aren't 13) He ____ surfing. a) is b) am 14) We ____ waterskiing. a) are b) aren't 15) They _____ diving. a) am b) are 16) He ____ snorkelling. a) am b) is 17) She is ______ in the swimming pool. a) swiming b) swimming 18) They are ________. a) waterskiing b) watersking 19) We're ______. a) diveing b) diving 20) They're _______. a) snorkeling b) snorkelling

am/is/are (+/-; long and short form)

oleh
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