1) I was tidying my bedroom ... you phoned me. a) when b) while 2) We found some money ... we were playing outside. a) when b) while 3) I wasn't doing anything ... you phoned. a) when b) while 4) ... you sent me the message, I was doing an exam.  a) While b) When 5) My mum was swimming in the sea ... someone stole her purse.  a) when b) while 6) ... my friend were snowboarding, they saw a famous musician. a) While b) When

Prepare 2. WHEN and WHILE

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