问题
选择题
It was necessary to _____ the factory building as the company was doing more and more business.
A．extend
B．increase
C．lengthen
D．magnify
答案
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；He spread butter on the toast.(他在烤面包上涂上奶油。)