Professor James will give us a lecture on the Western culture,but when and where( ) yet.A.has not been decided B.have not decidedC.is not being decided D.are not decided什么是投射定理?

Professor James will give us _______________ lecture on western culture but when and where _________ (not,decide) yet.主要是第二空不会填啊 professor James will give us a lecture on the Western culture,but when and wherehasn't been decided yet.when and where后面省略了什么句子 Professor James will give us a lecture on the Western culture,but when and where( ) yet.A.has not been decided B.have not decidedC.is not being decided D.are not decided什么是投射定理? James professor when and where后面跟单数还是复数?有一个例句是这样的.professor james will give us a lecture on the western culture,but when and where_____yet.这个空应该填的是hasn't been decided,我的问题是,这里是when and where,为什 用适当的语态或时态填空1.His work ____ ____(stop)for a time by the First World War.2.professor James will give us a lecture on the Western culture,but when and where____ ____ ____ （decide)yet.3.A hundred soldiers ____ ____(send)to Europe Who are you waiting for?--( ) us a lecture this afternoon A.The professor wants to giveB.The professor will give C.The professor about to giveD.The professor to give选D,为什么不选C What time will Professor Wang _____?A、arrives B、arrive C、arrived D、arriving i'm seeing tne professor tomorrow,__he will be back from new yorkwhen who which that Professor Li will give a ( ) on learning next Friday.括号里填个单词,首字母为t Professor Lee's book will show you how it can be used in other fields.翻译 Professor Wang will give an English speech to us tomorrow改为被动语态 英文“James James中文翻译 James 是什么意思? 8.Professor Smith and Professor Brown will ______ in giving the class lectures.A.alter B.change C.decorate D.direct associate professor