Question

Paul does nothing but ______ all day long.

1. A.
   play
2. B.
   to play
3. C.
   playing
4. D.
   played

Answer 1

A
本题考查非谓语动词。句中考查nothing but除了，前有助动词do，后面省略to。句意：Paul除了完了一整天什么也没有做。