After watching a movie Avatar, Mary lay in bed with her eyes ______ open
while all her family were ______ asleep．
A．wide; sound B．wide; soundly C．widely; sound D．widely; soundly
—What’s the matter with John? He has been sitting there for hours.
—A postcard from his father _____ an attack of home-sickness in him.
A．took up B．set off C．brought in D．built up
______ me when you get it through and I’ll pick you up at your work place.
A．Calling B．Call C．Called D．To call
—Mary broke up with me!
—You _____ have forgotten about the Valentine's Day．
A．shouldn't B．couldn't C．needn't D．mustn't
Crossing roads without taking traffic lights into consideration, _____ they are part of a crowd, has been labeled as the “Chinese style of crossing roads”.
A．since B．as if C．though D．so long as
最近许多城市常被雾霾（haze）所笼罩，请就这一话题谈谈你的看法。文章必须包括：
描述雾霾天气的景象
提出解决这一问题的建议
