1) Oscar was sleeping ----------- Anne was watching the sports program. a) While b) When 2) Sandra wrote the book ------------- Karla was watching the weather. a) While b) When 3) ------------ the phone rang, she was writing a letter. a) While b) When 4) They were dancing ------------ the phone rang. a) While b) When 5) -------------- I arrived at the circus, I knew I had to go with my mom. a) While b) When 6) ------------- she was watching the sports programme, her mom fell. a) While b) When

When - While

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