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刷刷题刷刷变学霸
举一反三
【单选题】Dear Sir or Madam, The MDC Company was established in 2001 and in four short years has become one of the most successful companies in the market place. For this, we are pleased, proud and grateful. We...
A.
keeps its promise
B.
provides the same products
C.
sells its products at a low price
D.
delivers its products without delay