1) ______________ I was reporting the incident to the police, she was climbing towards an open window on the second floor. a) While b) When c) when d) while 2) I was walking along the street opposite the school _______________ I saw a woman in black clothes climbing up the scaffolding like a cat. a) when b) while c) When d) While 3) What ___________ the manager __________ ______________ the man fell? a) was; do; while b) was; doing; while c) were; doing; when d) was; doing; when 4) What ___________ the police __________ when one of them _______________(drop) a necklace? a) was; do; drop b) was; doing; drop c) was; doing; dropped d) was; doing; droped 5) What _________ the children ______________ while you __________________(drive) the car? a) was; doing; was driving b) was; doing; were driving c) were; doing; were driving d) were; do; were driving

0517 英文 When/While

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