用所给副词的适当形式填空
问题描述：
用所给副词的适当形式填空
a.Mary can run as _____(fast) as her brother.
b.It snows ______(often) in the North than in the South.
c.Mr Green's little daughter behaves ________ (badly) of his three children.
d.As it got dark,it rained ______(hard) and ______(hard).
e.______(much) you practise singing,______(well) you can sing.
答
fast
often
the worst
harder,harder
The more,the better