_______the party, we sang a song together.

Mary is a humorous and warm-hearted woman and that isshe is a most popular person in her community

(2013·浙江金华二模)A survey has shown that 40% of those killed in traffic accidents ________ if they had been wearing seat belts.

There will be ________ jobs for people because some robots will do the same jobs as people.

Are you willing to live on Mars one day— It sounds exciting,but it still worries me.