Since its(invent)______, the telephone has become one of the most important tele

游客2023-10-03 21

问题 Since its(invent)______, the telephone has become one of the most important telecommunication instruments in the world.

选项

答案 invention

解析本题考查词性变换。介词since后需接名词，构成介宾结构。同时，根据形容词性物主代词its，也可知需要填入动词invent的名词形式invention。

转载请注明原文地址:https://tihaiku.com/zcyy/3066547.html

相关试题推荐

随机试题

最新回复(0)

Whenthesteamenginewasinventedinthe18thcentury,itbeganoneofthe