-How do you learn English？

-I learn English by _________.[ ]

A.listen to cassettes        

B.speak it

C.listening to cassettes

D.ask the teacher

养肝血以宁心神，清内热以除虚烦的方剂是()

A.酸枣仁汤

B.朱砂安神丸

C.天王补心丹

D.归脾汤

E.安宫牛黄丸