Question

The student’s behavior cost the teacher a steepless night . He never thought his student ______ computer games for a whole class

1. A.
   played
2. B.
   was playing
3. C.
   had been playing
4. D.
   would play

Answer 1

C
考查动词的时态。主句谓语动词thought是一般过去时态，所以从句谓语用过去时态的某种形式，且根据for a whole class .，可知一节课一直在玩，所以用过去完成进行时态，表示过去一段时间内一直在进行的动作。选C。