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)
________, ________.