You must speak English as_________ as possible.
A:more
B:most
C:many
D:much
如图,在密封的纸盒上挖一个直径10cm的圆形小洞,并在洞口前方约1米的位置,放置一根点燃的蜡烛,用双手在纸盒两侧拍击,蜡烛熄灭。蜡烛熄灭的
主要原因是()
My grandmother is 70 years old,but she still writes____(诗).
把a2b﹣2ab2+b3分解因式正确的是( )