【C2】______A．beganB．beginC．begun

The meeting _____when Mr. Wang _____to school.A、has begun; getB、has been on; getC、had b

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In recent years a new farming revolution has begun, one that involves the 【B1】______ of li

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A．beganB．will beginC．had begunD．have begun

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Paul ________ to learn French when he was 11.A. beganB. beginsC. begin

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The history of the U.S. is generally agreed to have begun in______.A．1620B．1607C．1776D．149

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Not until the game had begun ________ at the sports ground.A) had he arrived B) wo

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The detective and his assistant have begun to ________ the mysterious murder. A) c

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