It’s impolite __________others.

he development of economy, our country isbecoming more and more powerful ____ financial situation.

How can you study in the livingroom when other people are watching TV I think you need a _______ place.

How long have you been studying in No.2 Middle School?—Less than half a year.—So it will be two years and a half _______ you graduate from this school.[ ]

Why are you so ＿＿＿＿＿＿, Helen- I thought I had lost my purse, but I didn’t. I found it in my study!