高二英语5The oil must be used up,() the light went out.为什么是for而不是because和as?

高二英语5The oil must be used up,() the light went out.为什么是for而不是because和as? Y This is where the oil must be oil purifier,oil recycling 是什么?We need oil purifier to purify our lubricant oil.This oil recycling machine must be good quality. It is required that the machine be oiled as frequently as necessary为什么用Be oiled而不用Must be oiled ,is oiled或者Will oil求详解 这是一道英语题～请认真回答～thank you!The world is using up its oil fast,so we must save fuel. The government must rely_____the public to save energy. People must be encouraged_____ their efforts and they should pride themselves_____ sa 英语求助Stand over there ____ you'll be able to see the oil painting better. 英语翻译In addition,the viscosityand foaming characteristics of the oil and refrigerantmixtures must be consistent with the lubrication requirements atthe specific mechanical load imposed on the equipment. 英语翻译Hydraulic oil TemperatureThe temperature of hydraulic oil must be maintained at aproper temperature to keep the moulding cycle timeconstant.The ideal temperature is 45℃.Adjust thetemperature control valve (Fig.2-2 3 ) to keep the oiltem 英语翻译Hydraulic oil TemperatureThe temperature of hydraulic oil must be maintained at aproper temperature to keep the moulding cycle timeconstant.The ideal temperature is 45℃.Adjust thetemperature control valve (Fig.2-2 3 ) to keep the oiltem 英语pour oil on the flames是什么意思 must be the water I must be the must be the money 高二英语题.会答的进.就2小空.词语辨析用 amazing , amazed 填空.1.They were ______ at the soaring drive of our oil workers.2.I found it ______ that you can't swim 高一英语填介词的题1.Good measures must be taken to stop some factories ________ harming the environment2.The old couple have gone _______many hardships. 高二英语单词拼写:Since he has received a doctor'degree,he must be l__. nothing could be better than the oil lamp 高二英语阅读理解求教Our boat floated on ,between walls of forest too thick to allow us a view of the land we were passing through ,though we knew from the map that our river must from time to time be passing through chains of hills which cr