A:①②⑤
B:①③④
C:②③⑤
D:②④⑤
Mrs. Panda will____(get) up at seven tomorrow.
有21根圆木,堆成宝塔形,最上面一层放一根,下面每一层都比上一层多1根,想想看,最下面一层有( )根.
— Look at my new shoes! They cost me 100 yuan.
— Really? My shoes are _______ than yours.