A:
B:
C:
D:
What time is it? ____.
如图,已知矩形ABCD中,AB=2,在BC上取一点E,沿AE将△ABE向上折叠,使B点落在AD上的F点处,若四边形EFDC与矩形ABCD相似,则AD=( )
As we all know,the novel________a great success and was translated into 20 languages in 2011.