1) Millions of people _________ online when Felix jumped from the capsule. a) were watching b) watch c) watched 2) He began to spin while he _________ through the sound barrier. a) passed b) was passing c) pass 3) He was celebrating when his family _________ . a) arrived b) arrive c) arriving 4) What _________ when you saw the tornado? a) you do b) you did c) were you doing 5) What was your sister doing when you _________ her about the flood? a) tell b) told c) were telling 6) They were moving stone when they ___________ some sounds. a) hear b) heared c) heard d) were hearing 7) When the teacher arrived I _______ a) didn't talk b) wasn't talk c) wasn't talking d) weren't talking 8) The hurricane arrived while they _________ TV. a) watched b) were watching c) was watched d) was watching 9) He was waiting for the bus when he _______ the lightning. a) was seeing b) see c) saw d) seen 10) While we ___________in the mountains it started to rain. a) walked b) was walking c) were walked d) were walking

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