文法检查语法好的进要过去式Now,hisassassinationhavebeenfinishedfor40years,butsomeoftheinformationswerestilluncertain:Whowasthemurderer?Lee?Ithinkhewasjustcommissionedbysomeone.Whowasthemastermind?Wedon'tknow

Question

文法检查 语法好的进 要过去式
Now,his assassination have been finished for 40 years,but some of
the informations were still uncertain:Who was the murderer?Lee?I think he
was just commissioned by someone.Who was the mastermind?We don't
know.Why was this secret has not been opened during 40 years?I think,this
must be a deliberate murder.His opponent's supporters,his dissidents,
victims,suspects and etc.The mastermind must be someone in the list up
there.On the Internet,they also had a lot of speculation about his death.I
know that he is actually the second American president was assassinated,I
always think that there must be some contacts.

Answer 1

Now, his assassination HAS been finished for 40 years, but some of
the information IS still uncertain: Who was the murderer? Lee? I
think he was just commissioned by someone. Who was the mastermind?
We don't know. Why this secret HAS BEEN HIDDEN for 40 years? I
think, thisI think, this must be a deliberate murder. His
opponent's supporters, dissidents, victims, suspects and etc The
mastermind must be someone in the list up there. On the Internet,
THERE ARE ALSO a lot of speculation about his ASSASSINATION.I
know he is actually the second American president WHO was
assassinated.IN MY OPINION ,there must be some contacts.
改动的地方我用大写单词表示了,有些单词被去掉了,有些句式帮你换了一下,你重新阅读一下. 希望你的论文可以过关哦~~~ O(∩_∩)O~