问题
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Barely______at the airport when the police arrested him.A.did he arriveB.had he arrivedC.h
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His parents, very poor but______people who never broke the law, were shocked when he was a
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The police discovered the thiefs hide-out two days later, ______, however, the thieves had
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______ the police thought he was the most likely one, since they had no exact proof ab
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If the doctor had come earlier the poor child __
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______ by the armed police the bank robbers had no choice but to surrender.A.To be surrou