1) ……………...……….. I was walking, I found a wallet. a) When b) As 2) They were eating, ……………...…………. the accident happened. a) when b) while 3) ………………………… the door bell rang, I was doing my homework. a) When b) As 4) The light went off, ……………………. Sara was watching T.V. a) when b) while 5) ……………………..….. he was doing shopping, he lost his credit. a) When b) As 6) ............ we were sitting in the yard, we heard a strange noise. a) While b) When  7) I was walking on the beach.................... it started raining. a) When  b) While  8) ............. George was driving, he was listening to music. a) While  b) When  9) I was with a friend.............. it happened. a) When b) While  10) ........ you were playing tennis, Rob called you. a) As b) When

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