1) I was having lunch _____ James arrived. a) when b) while 2) _____ we were walking in the park, it started to rain. a) When b) While 3) I was buying at the bakery ____ two cars crashed a) when b) while 4) ____ John was singing, I was doing my homework. a) When b) While 5) _____I was making dinner you were setting the table. a) When b) While 6) The salesman was helping the customer ____ the thief came into the store. a) when b) while 7) ____ we were waiting the Uber outside the cinema, my cellphone turned off  a) When b) While 8) Sally was playing around the garden ____ her mother was talking on the phone a) while b) when 9) ____ my brother was watching formula 1 I was watching the Chicago Bull's game  a) While b) When

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