Question

_________ the stomachache, he couldn’t fall asleep

1. A.
   Suffered from
2. B.
   Suffered
3. C.
   Suffering from
4. D.
   Suffering

Answer 1

C
考查非谓语动词作状语。遭受，患病用Suffer from结构，而Suffer和主语he之间是主谓关系，用Suffering。选C。