There is news about this movie star in the newspaper.
A：many
B：a few
C：a lot
D：little
— Let's go to Huangyao Old Town next weekend, shall we?—Sorry. I ____there many times. I don't want to go again.
如果关于 x 的二次三项式 x2+bx+9 是完全平方式，那么 b 的值为（ ）
从结构上看，肾小球是（ ）
选择在合适的词语。
妈妈（ ）着我的头，关切地问：“烧退了吗？”
