What if you come across a situation____________ no one but you are alone on a lonely island?

Much new high technology has been introduced from America, ________ a great increase in the production of the company.

He goes to work by bus, but he walks___________ afterwork.

Mary, as well as her two classmates, invited to attend the World Scholar’s Cup at the International School of Beijing.

I sincerely regret that I have hurt your feelings, but I didn’t do it ______