______ for a long time the fields are all dried

His ideas are linked to the theory________markets are efficient, which means market actors taking all available information to create the correct price for things at any given time.

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Lao Lin has been working in the countryside for a long time, so he _______ farm work.

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By this time next year, we___all the land into rice fields.A．we had turnedB．have turnedC．h

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They are sweating all over. They ______ in the field.A．may beB．must have been workingC．cou

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______ for a long time, the ponds are all dried up and a lot of fish are dead.A．There has

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The manager spoke for a long time but his meaning did not______.A．come aboutB．come alongC．

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- Are you going on holiday for a long time? - _________

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