Question

He’s unlucky, and he’s always suffering _____ luck one after another

1. A.
   a sick
2. B.
   an ill
3. C.
   sick
4. D.
   ill

Answer 1

D
ill意為“生病”不可作定語；但意為“壞的，惡劣的”可作定語，在此修飾不可數(shù)名詞luck。