Question

Our manager never fails to answer a phone call ______ she is very busy

1. A.
   since
2. B.
   once
3. C.
   even if
4. D.
   so that

Answer 1

C
試題分析：句意：即使我們的經(jīng)理很忙她也從不會不接聽電話。A.自從，既然；B.曾經(jīng)，一旦；C.即使，縱然D.以至于。fail to do未做成；由題意知選C。
考點(diǎn)：考查連詞的用法。