Mr.Brown always makes his class           and keeps his students           in class.

我认为没必要每天都花那么多时间写博客。
I don’t think ____ ____ to ____so much time____ ____ every day.

他花很多时间玩电脑游戏，视力都下降了，不得不戴上了眼镜。
He spent so much time playing computer games that his eyesight became ____ and he had to ____ a pair of glasses.

We are ____(excite) about the good news.

Ricky had a ____(please) trip to Lushan Mountain last spring.

It will be ____(wind) in Sanya tomorrow.

It’s____(polite) to ask a lady about her age in western countries.

—It’s cold today. I can’t stand it. I hope tomorrow won’t be so      .
—I can’t, either. But the radio says it will be even       tomorrow.

This kind of T-shirt looks       and sells       in the market.

根据提示填空（每空一词）
It’s nice of you to provide us with the v____ (有价值的) information.