根据提示完成句子。
小题1:我突然想到我把课本落在家里了。
It me that I my textbook home.
小题2:政府应该竭尽全力控制房价。
The government should _________ ____________ ____________ to control house prices.
小题3:近年来，德州的雾霾似乎增加了。
Haze（雾霾） in Dezhou appears in recent years.
小题4:现在越来越多的人开始关注环境。
Now more and more people begin to the environment.
小题5:五·一我们有可能放三天假。
that we’ll have three days off on May Day.
