Not for a moment ______ sightseeing while in Europe.

By the end of 2012, many buildings built in our city.

chatting with a stranger on the Internet, bear inmind______ he could be anybody, for you can’t see him _________

She will tell us why she feels so strongly that each of us has a role _____ in making the earth a better place to live in.

Tom get addicted to drinking wine.As a result,he________as a failure in his career.[ ]