1) My phone rang ________ I was watching TV. a) while b) when 2) It was sunny _______ my uncle arrived. a) when b) while 3) Peter fell down ________ he was running a) when b) while 4) Tim came to my house ___________ I was sleeping. a) when b) while 5) We were eating ________ you came. a) when b) while 6) The girls were reading ___________ we arrived. a) when b) while 7) The boys were playing basketball________ we were doing puzzles. a) when b) while 8) Sam saw the butterfly ___________ he was opening the drawer. a) when b) while 9) My mom was cleaning the living room _________ she saw the cockroach. a) when b) while 10) I was studying __________ you called. a) when b) while 11) ___ my father went out, the phone rang. a) While b) When 12) __I was cleaning my room, my mom was cooking dinner. a) When b) While

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