There is water on the floor. Be careful, or you will ________ .

单选题

There is water on the floor. Be careful, or you will ________ .

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单选题

My is paid on the 28th of the month.

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单选题

THE POTABLE WATER SERVICE PANEL IS INSTALLED ON THE：

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单选题

Some canals,such as the Suez of the Panama,save ships weeks of time by making their voyage a thousand miles shorter.Other canals permit boats to reach cities that are not（ ）on the coast,still other canals drain lands where is too much water,help to irrigate fields where there is not enough water,and furnish water power for factories and mills.

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单选题

ON THE A320, THE NUMBER OF POTABLE WATER DRAIN PANELS FITTED ON THE AIRCRAFT IS：

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