To succeed in a scientific experiment, ____.

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• 1Arriving at the bus stop, ____ waiting there.

  A. he found a lot of people B. a lot of people were

  C. he found a lot of people’s D. people were found

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• 2With the bridge ____, there was nothing for it but to swim.

  A. was destroyedB. destroying

  C. being destroyedD. destroyed

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• 3With the old man ___ way, we had no trouble in finding that mysterious cave.

  A. leading B. led C. lead D. to be led

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• 4With everything she needed _____, she went out of the shop, with her hands full of shopping bags.

  A. bought B. to buy C. buying D. buy

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• 5There are many kinds of metals, ___.

  each having its special properties B. having its special properties

  one has its special properties D. each has its special properties

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• 6All things _____, the planned trip had to be called off.

  A. considered B. be considered C. considering D. having considered

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• 7 He looked around and caught a man _______ his hand into the pocket of a passenger.
   

  A. put B. to be putting C. to put D. putting

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• 8Standing on the bank, the children watched the ship ___ with all kinds of goods.

  A. loading B. being loaded C. to be loaded D. having loaded

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• 9With tears on her face, the old lady watched the little boy__ to a hospital.

  A. send B. to do sent C. being sent D. sending

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• 10While he was climbing the high mountain, he had his leg ____.

  A. broke B. break C. broken D. breaking

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