New digital mobile phones definitely produce less radiation, but that doesn’t ______ mean that they should be used without caution. 

 —Do you regret paying ten dollars for that book?—No, I would gladly have paid ________. 

It's our hope that we will play a greater role in the market place and,      ,supply more jobs.

 ------What do you think of our design for the new car？------Pretty good. But I find theirs is _____ worth considering and studying.

After watching a movie Avatar, Mary lay in bed with her eyes ______ open while all her family were ______ asleep．