16.—Don’t worry, Dad. The doctor said it was only the flu.

—      ! I will tell your mum there is nothing serious.

A. What a relief      B. Congratulations     C. How surprising       D. I don’t care

17. The pilot began a desperate race      time to land the plane before it ran out of fuel. Fortunately, he made it eventually.

A. over             B. against            C. for                 D. with

18. MSF is an independent organization      mission is to provide medical care to those affected by conflicts, epidemics or disasters.

A. which            B. when             C. where               D. whose

19. There was no light in the room and it took me a few seconds to      the darkness.

A. lead to           B. tend to             C. adjust to            D. appeal to

20. You      have scolded her for her failure. After all, she had tried her best.

A. must             B. should             C. mustn’t           D. shouldn’t

21. It’s hard for traditional book stores to      with large bookstore chains.

A. compete          B. complete           C. commit           D. consist