How are you?[ ]
A. How are you?
B. Fine, thank you.
答案:B
— ___________ is the book?
— It's under the chair.[ ]
A. When
B. What
C. Where
钩藤的功效有哪些()。
A.息风定惊
B.清热平肝
C.祛风明目
D.祛风通络
E.通络散结