________ exciting news! The Chinese team successfully arrived at the peak of Qomolangma．（ ）
A．WhatB．What anC．HowD．How an
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
Everyone needs to know __________ importance of rubbish sorting（分类）.（ ）
A．anB．不填C．the
The spirit of ox（牛）_________ an important role for China's development this year.（ ）
A．is playingB．was playing
C．played