【单选题】
No one, except his two best friends ____his joy or sorrow in his life.
【单选题】
He studied hard in his youth, __________ contributed to his great success in later life.
【单选题】
Tom has the enough courage to ( ) any challenge in his life.
【简答题】
Translate the following sentence into ChineseProfessor Zhou was committed to the cause of language teaching all his life.
【单选题】
6. His earliest plays are excellent, but his latest one is __________.
【单选题】
He ___________ his friends for their help at the hotel now.
【单选题】
There[] a Japanese and two Koreans in his class.
【单选题】
If a person _______ succeed, he must try his best.
【单选题】
____ he tried his best , he still failed the examination.
【单选题】
_______ he tried his best, he still failed the examination.