Helen is _____(well)at singing .She sings____(well)than any of us.
问题描述:
Helen is _____(well)at singing .She sings____(well)than any of us.
答
good,better
be good at擅长
后者为比较级
PS:这里的any代表的是任何一个的意思,和否定句没什么关系啦