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單項(xiàng)選擇題

We（）some brochurs（）to illustrate the procucts we manufactured.

A．enclose,to you
B．enclose you,\
C．enclose,\
D．enclose,you

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We are glad that in the past few years,（）joint efforts,have greatly promoted both business and friendship.

答案： by

As to chemical products we are well connected（）the major producers in America.

答案： with

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