A:AgNO3溶液
B:稀硫酸
C:稀盐酸
D:稀硝酸
从方框中选择恰当的选项补全下列对话。
A.I’m OK now.
B.I fell off my bike.
C.He Went to Sanya.
D.She walked to school
E.Yes,I did.