① ____ A. eggplant B. plate C. please
② ____ A. get B. clever C people
③ ____ A. nice B. clothes C. exercise
④ ____ A. at B. class C. bag
如图,在菱形ABCD中,∠B=60°,AB=1,延长AD到点E,使DE=AD,延长CD到点F,使DF=CD,连接AC、CE、EF、AF,则下列描述正确的是( )