试题题干
WORD FORMATION
Complete the following sentence with the proper form of the word in the bracket.
(communicate) TV is another major instrument of
, permitting us to see as well as to hear the performer.
参考答案
试题解析
此处缺少名词。
of后接名词/动名词（动词+ing）/ 代词……。another major instrument of后应该接名词。所以，变communicate为名词communication。
句意：电视是另一种交流的主要工具，可以让我们看到表演者并且同时听到他们说话。