英语翻译1.他环顾四周,可什么都没看见.2.今天下午,我们要对教室进行彻底的大扫除.3.对我们而言,经常进行体育锻炼是很

1 he looked around,but what is not see.
2 this afternoon,we need to carry out a thorough cleaning the classroom.The
3 of us,are often very important physical exercise.(it form subject sentence)
4 he fell asleep,but there is light.
5 I slid down the mountain,fell into the river.
6 could you turn down your radio?Granny is sleeping.
7 you must remember,can't waste and pollution of water.
8 you'd better use paper bags instead of plastic bags.