When would you like to go swimming with me， this Friday or this Saturday？
___________．I am free only this Sunday．（ ）
A．NoneB．BothC．EitherD．Neither
It is hard for people to move forward with a strong wind ___________hard.（ ）
A．blownB．blowingC．to blow
﹣﹣﹣How wonderful the school concert is!I wonder________ our school will hold it next year.
﹣﹣﹣Sure.It's our school tradition!（ ）
A．howB．ifC．where
Zhang Hong，a Chinese，is the first Asian blind climber_________ has reached the top of Qomolangma.（ ）
A．whoB．whoseC．which
The Party's 100th birthday ____________ on July 1st this year in our country.（ ）
A．will be celebratedB．has been celebrated
C．will celebrate
Life__________ be easy or difficult，sometimes it depends on how you look at it.（ ）
A．can'tB．mustC．can