English is ________ hard for me and Physics is ________ harder.
Internet is an important _____ for people to get the latest news.
Not everyone has realized what_______ important part the balance of________ nature plays in their life.
Zhao Benshan,whose overwork ________ his health failure,is said to have performed in.the Spring Festival Gala on CCTV in 2011.
They are going to ________an advertisement in the papers for the position of the sales director.
— I’m sorry, I did not catch you.— ______ repeat the sentence?