摘要：As soon as the accident took place, two policemen were sent there to the case. A. look over B. look into C. look up D. look through

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As soon as the accident took place, two policemen were sent there to the case．

As soon as the accident took place, ________ two policemen were sent there to ________ the case．

A．look over

B．look up

C．look into

D．look through

As soon as the accident took place, ________ two policemen were sent there to ________ the case．