一道英语选择题不懂We cannot accurately predict how much carbon dioxide _____by factories will remain permanently in the air.答案是released.为什么不是being released?不是被动语态吗?水讲得详细分给谁

一道英语选择题不懂We cannot accurately predict how much carbon dioxide _____by factories will remain permanently in the air.答案是released.为什么不是being released?不是被动语态吗?水讲得详细分给谁 一道英语单项选择题,不懂可以说下原因吗 一道英语选择题：We friends since three years ago. 帮我做一道英语选择题,We don't know____your face.A.with B.to C.from 一道英语选择题：We ask the police__________.A.to take which bus B.which bus to take 一道英语选择题；Of the four ,we can‘ send fax to the?A driver B teacher C doctor D farmer 英语选择题一道 一道英语选择题22.30 一道英语选择题,学霸请戳 询问一道英语选择题. 一道英语选择题, 一道小小英语选择题 一道选择题 英语 问一道英语选择题 求一道英语选择题 一道英语选择题Who will you have___this work?A.to do B.done C.do D.doing这道题的答案是c,但搞不懂原因 HELP：一道英语单项选择题we all like the honest man and we( )him our good friend.a.say b.regard c.think d.consider 一道英语选择题10Seeing that they are very busy,we choose to leave quickly in case we __be in the way.A.mustB.canC.shallD.shouldWHY？