—Do you love teaching,Miss He?
—I fell in love with teaching in 2000.I________for twelve years by this winter.
A:will teach
B:would have taught
C:have been teaching
D:will have been teaching
在△ABC中,∠C=90°,AB=15,sinA=13,则BC等于( )
下列词语中划线的字,读音全部正确的一项是( )