In 2009 many countries are going throughfinancial crisis，________hasa great effect on many walks of life.　　　　　　　　　　　　　　　　　

I’m very sad because I argued with mybest friends. What should I do — _________ write him a letter and saysorry to him

对下列各项中特殊句式不相同的一项是

If you haven’t had enough sleep, your actions will give you _____ during the day

Mary feltfrom the outside world, since she lacked an Internet connection and couldn’t receive any e-mail.