There are two doors, one of which _______ to the living room and the other to the kitchen.

There are ______ Russian（s) and ______ American（s) on board.A．one, oneB．one, twoC．two, two

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How many examples are there "as evidence of tribalism"？A．Four.B．Two.C．One.D．Three.

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In motorships，there are two main circuits, _____.A.one salt water, one fresh waterB.one sa

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There are two governments in this country、But neither of them is regarded asthe（)one

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There are one or two minor differences, but they are ________ the same text.A substa

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Psychologically there are two dangers to be guarded against in old age. One of these is un

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Immigration poses two main challenges for the rich world’s governments.One is how to manage the inflow of (); the other how to integrate those who are already there.

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