It was necessary to the factory building as the company was doing more and more

It was necessary to _____ the factory building as the company was doing more and more business.

A. extend 　B. increase 　C. lengthen D. magnify

试题答案

A

本题中extend意为“扩大”；lengthen拉长,延长；magnify放大；Spread vi. 传播;vt.展开。