1) I was reading a book .......... suddenly I heard a noise. a) when  b) while 2) ...... Rose was cooking dinner, her husband came home. a) When b) While 3) ...... Sandra and Kathy were talking in the living-room, the doorbell rang. a) When b) While 4) Ben was playing in a basketball team ............... he was a kid. a) when b) while 5) ...... Sharon came into the room, her brother was playing video games a) When b) While 6) ...... Angela got home, her sister was making some coffee. a) When b) While 7) They were sleeping ......... the burglars broke in. a) when b) while 8) The students were having a lesson ........ they heard a terrible noise. a) when b) while 9) ......... I was cycling, the rain started. a) When b) While 10) He broke his arm ........... he was playing basketball. a) when b) while 11) Susan met him ......... she was travelling on a train. a) when b) while 12) We saw a falling star ............ we were going fishing in the lake. a) when b) while 13) I saw a nightmare ......... I was sleeping last night. a) when b) while 14) .......... I got up this morning, it was raining heavily. a) When b) While 15) Tom burnt his hand .........he was cooking the dinner. a) when b) while

When & While (past continuous & past simple)

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