题目内容

It was necessary to _____ the factory building as the company was doing more and more business.
A.extendB.increaseC.lengthenD.magnify
 A
  本题中extend意为“扩大”。lengthen拉长,延长。magnify放大。 Spread vi. 传播;vt.展开;He spread butter on the toast.(他在烤面包上涂上奶油。)
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