句型转换：(每空一词,每词一分,共10分)
He has been dead for three years.  (改为一般疑问句)
________he ________ dead for three years .
She has washed her clothes.  (改为否定句)
She ________ washed her clothes .
It took Mary two weeks to get ready for the exam.  (改为同义句)
Mary ________ two weeks ________  ________  ________  for the exam.
Has Lingling ever been to England .  (给出肯定回答)
________，  ________          .