句型转换 1.What did the book cost?_____ ______ did you _____ for the book?
2.She is said to be the best student in her class.
_____ ______ ______ that she ______ the best student in her class.
3.Her poems are often about the subject of death.
Her poems are often ______ _______ the subject of death.
4.He works hard so that he could go college.
_______ _______ _______ go to college,he works hard.
5.I'm tired of learning English.
I'm _____ _____ ______ learning English.