__________________________________________________________________

　　2．警方迅速封锁(block)主要道路，并禁止可疑车辆通行。(prohibit...from...)

　　_________________________________________________________________

　　3．对这样的犯罪行为，警方必须不惜任何代价清除。(wipe out ，at all costs)

　　__________________________________________________________________

　　4．目前，他们正在搜寻有关信息。(seek)

　　_________________________________________________________________

　　答案　1.It was said that three robbers had robbed a bank of a large fortune yesterday.

　　2．The police immediately blocked the main roads and prohibited the suspect cars from passing.

　　3．The police must wipe out them at all costs as for such crimes.

　　4．At present，the police are seeking the information.

　　二、加入适当过渡词，连句成篇

　　【参考范文】

　　It was said that three robbers had robbed a bank of a large fortune yesterday.Therefore ，the police immediately blocked the main roads and prohibited the suspect cars from passing.The police must wipe out them at all costs as for such crimes.At present，the police are seeking the information.

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