. It’s very kind _________ you to give your seat to me .
We need ___________ people to finish the job.
_________ the __________ of the class, he played a very beautiful song.
Are you sure _________ the way to the library? I don’t want to get lost.
I want to be _________ engineer when I grow up.
---It’s boring today. I want to do something fun.--- ____________watching a movie this afternoon?