单项选择题
A．How can I do that B．Are you going today C．Did you get it D．Do you have that E．Would you like my help F．Yes，I know G．NO，I don’t know H．Can I sell my used books
A. is better than not taking it B. needs longer time to recover C. is the same with no medicine D. has no effect
A.worse B.good C.worst D.important