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
试题分析：句意：即使我们的经理很忙她也从不会不接听电话。A.自从，既然；B.曾经，一旦；C.即使，纵然D.以至于。fail to do未做成；由题意知选C。
考点：考查连词的用法。