Tom invented the telephone和The telephone was invented by Tom?第二句为什么要加was,第一句不用?

Tom invented the telephone和The telephone was invented by Tom?第二句为什么要加was,第一句不用? to have invented 和having invented 用法的区别如 Tom is generally considered _____ the first computer A to have invent B having invented who invented the bicycle How was the bicycle invented? Who invented the first telephone? when was the car invented They then invented the zero. Afraid of being scolded by the teacher,Tom ______ a story to explain why he was late.a、wrote b、provided c、told d、invented the two brothers w(--------) invented the airplane who invented the first steam engine?翻译 who invented the first steam engine. the first telephone was invented in()kkkkk! Who invented the first steam engine? The man invented this bicycle in the ( ) computers were invented in 1976? What was invented before the car?为什么 宾语从句练习答案1.“Do you wash your clothes yourself?” Tom asked the girl next to him.(改为复合句)2.Tom’s father saw him sitting on the eggs.（同上）3.Mrs.While told Tom not to throw paper on the ground.（同上）4.Please tel Who __ the telephone It ___ by Amy .A was invented was invented B inventWho __ the telephone It ___ by Amy .A was invented was invented B invented was invented