英语语法I have been writing a book on UFOs.It be ready early nex

“I’ve been writing a book,John.Do you think anyone would be i have a book on the desk I do have a book on What a nice motorbike______ have you been on it _ just to Be “I’ve been writing a book, John. Do you think anyone would b 完形填空.      "I've been writing a book,Joh i have had this book for a week的同义句 it has been a week （ ）i have been I have been a doctor before.I had been a doctor be it is the first time i have ever been on a stage it can not be ready on time. She has been writing a novel and it will be finished before I know she ____ a book.It's popular now.A.writing B.wrote C.