a series of lectures _______ next week 为什么选 is being held 不选 is holding

A series of debates tetween the lectures is scheduled for the next week怎么解释? a series of lectures _______ next week 为什么选 is being held 不选 is holding 英语翻译I now have a better understanding of Einstein's special theory of relativity after attending a series of lectures on the topic . A series of lectures -- to us students in the main hall when DrDavid visited our school.A.was givenBhas been given a series of A series of debates tetween the lectures was scheduled for the next weekA series of debates tetween the lectures （ ）scheduled for the next week.a was b were c have been d are为什么选a?next week 是将来时啊,was 是过去时啊.还有lectur 请分析一下以下句子的成分:.People are flocking to a series of lectures intended to introduce the general public to the refinements of traditional Chinese music.intended to introduce the general public to the refinements of traditional Chin 是a series of factors还是a series of reasons a series of a serious of 区别 the last of a series of competitions a series of ,后面加什么词 a series of books翻译成中文 用a series of造句,急用! set down a series of的意思 a series a series a series a series of和a trail of的区别