试题题干
WORD FORMATION
Complete the following sentence with the proper form of the word in the bracket.
(able) Recent innovations with computer aided design
us to produce magazines which are more creative, efficient and cost-effective.
参考答案
试题解析
此处缺少动词。
句子主干缺少谓语动词。所以应填able的动词形式enable。
句意：带有计算机辅助设计的最新发明能帮我们制造出更具创新性、更有效、更节约成本的杂志。