None of the patients is very happy at . [ ] A.kept waiting B.being waiting C.bei
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![None of the patients is very happy at . [ ] A.kept waiting B.being waiting C.bei](/pic/43_961196.jpg)
None of the patients is very happy at ______.
[]
A.kept waitingB.being waiting
C.being kept waiting D.to be waiting
试题答案
答案:C