Manydifficultieshaveasaresulto

Many difficulties have ______ as a result of the changeover to a new type of fuel.

A．risen

B．arisen

C．raised

D．arose

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相关试题

Please make sure the light will _____ if no one is in the room.

A．turn off

B．put out

C．take away

D．go out

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It is a pity that the quarrel _____ their friendship.

A．broke up

B．put down

C．gave up

D．took away

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---Will you walk a little faster?
　 ---I was afraid you could not _____ .

A．walk up

B．go up

C．keep up

D．catch up

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Our teachers promised to attend our class meeting, but they haven’t ____ yet.

A．turned up

B．turned out

C．reached

D．turned over

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Your article will have to be _____ to fit into the magazine.

A．cut out

B．cut up

C．cut down

D．cut off

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