﹣﹣﹣I think it's difficult to write the book report in two days.I really don't know ______ .
﹣﹣﹣Plan your time properly,and you can make it.( )
why I have to do it
when will I finish it
how I can do it
if can I finish it
The air in our city is getting much_____ now than a few years ago.
We have to stay at home_____ the bad weather.
If you see the cartoon film, it will make you_____.
_____ a good time we had yesterday!
When winter comes, days get _____ .