英语：That light travels in straight lines is known to all.在主语从句中,有时候不知道要用那个做引导词.上句的that,我感觉不要它句子也完整啊!干嘛要用呢?英语真奇怪!

travel light 翻译We know that light travel much faster than sound. Travel Light 歌词 英语中,有关直接引语与间接引语的一道选择题.The professor said that light （ )faster than sound.A travelled B traveled C travel D travels Nobody knew that light （）（travel）much faster than sound at that time 动词填空. I travel alone,so I travel light Our teacher told us that light ____(travel) faster than sound. We know that light ___________ (travel) very fast.翻译句子,并填空,请将清原因, The teacher told us that light __(travel) faster than sound. Light ______(travel) at 186300 miles a second.That _____(be)3000000 kilometres a second my physics teacher said that light ____ faster than sound.a.travel b.travels c.traveled The teacher told us that light _____（travel）faster than sound. 3.The teacher told us that light _______ as sound.A.didn’t travel as slowly B.doesn’t travel as quickly C.travel as quickly D.don’t travel as slowly The journey might take only a very short time in space shuttles that travel at the speed of light. The teacher told me that light ___ (travel) faster than sound用所给词的适当形式填空 My physics teacher said that light＿＿（travel）faster than sound.（请说明原因） travel at half the speed of light Light travel faster than sound.=Sound ___ travel so ___ as light.