–You seemed to have been impressed by his songs.--Well, not exactly so. It was his way of singing _____his voice that really impressed me.

 Anyone, whether he is an official or a bus driver, should be       respected.

After two years' research，we now have a ________ better understanding of the disease.(2013·全国Ⅱ)

 People say that young Chinese students’ eyesight keeps dropping _________ because of both too much homework and poor learning conditions.

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