1) I was having lunch _____ James arrived. a) when b) while 2) _____ I heard the doorbell, I went to the door. a) When b) While 3) ____ John was washing her hair, I did my homework. a) When b) as 4) _____I buy the bread, you can go to the butcher's. a) When b) While 5) I was at the baker's _____ I met Jo. a) when b) while 6) The customer was being helped by the salesman ____ the thief came into the store. a) just as b) while 7) ____ you saw Keith, was he with Jo? a) When b) While 8) I was in the shop _____ someone stole my bag. a) when b) while 9) I hurt my back ____ I tried to lift the piano. a) when b) while 10) ____ we were standing outside the cinema, someone picked my pocket. a) When b) as 11) _____ Mrs Scott came back to her hotel, she called the elevator a) When b) While

eclass level 4 lesson 3 WHEN vs WHILE

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