1) I was reading a book ___________ suddenly I heard a noise. a) when  b) while 2) Sandra and Kathy were talking in the living-room__________the doorbell rang. a) When b) While 3) Ben was playing in a basketball team ............... he was a kid. a) when b) while 4) Sharon came home_____________her brother was playing video games a) When b) While 5) Angela got home____________she was listening to music a) When b) While 6) They were sleeping ____________they listened a noise. a) when b) while 7) He broke his arm _____________he was playing basketball. a) when b) while 8) She met him _____________she was travelling on a train. a) when b) while 9) We saw a falling star_____________we were going fishing in the lake. a) when b) while 10) Tom was cooking the dinner____________He burnt his hand a) when b) while

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