……………...……….. I was walking, I found a wallet., When, While, They were eating, ……………...…………. the accident happened., when, while, ………………………… the door bell rang, I was doing my homework., When, while, The light went off, ……………………. Sara was watching T.V., when, while, ……………………..….. he was doing shopping, he lost his credit., When, While.

B1_U4_When & While

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