(1) The poor man is so c________about his son’s safety that he couldn’t sleep well all night.
(2)It was the happiest day in my __________(整个的) life.
(3)Don’t i_________ your little mistakes, or they may destroy your future.
(4)Let’ go and __________ (使平静) your angry brother down.
(5)They come from Germany. They are G__________.
(6) He lost his i________card when he went shopping in the supermarket.
(7)Everyone was surprised that a 3-year-old Chinese boy could speak English so __________ (流利地).
(8)At the party last night, I could hardly r_________Tom, for he had changed a lot.
(9) About 350 million people are native English speakers while 400 million people use it as an __________(官方的) language.
(10)Success is __________(基于) on hard work.