I think it is a good idea.（改为否定句）……

I think it is a good idea.（改为否定句）……
36.I think it is a good idea.（改为否定句）
I _____ _____ it's a good idea.
37.Joe said,“I'm answering the phone.”（改为间接引语）
Joe said that _____ _____ _____ the phone.
38.Ben said ,“Lana will come to my birthday party.”（改为间接引语）
Ben said that Lana _____ _____ _____ his birthday party.