In America．a friend's inviting you to a restaurant doesn't mean that he or she will pay for the meal     you are told in advance．

I made a promise to myself _____ this year, my first year in high school, would be different.

I think it’s better to give it a second thought       so many of us consider it a risk．

_______ the sports meet will be held depends on the weather.

Please do me a favor-----_________ a seat for me in case the hall is too crowded.