Question

---Has Jack finished painting the picture yet?
--- I’ve no idea. But he______ it the whole afternoon.

1. A.
   was painting
2. B.
   painted
3. C.
   had painted
4. D.
   have painted

Answer 1

A
试题分析：通过the whole afternoon可知，本句表示“他一直在画画。”是指的在那时一直在做一个动作，故应该用过去进行时。所以本题选A。
考点：本题考查时态
点评：在做时态题时，首先应该掌握各种时态的结构，另外应该注意各种时态应该用于的时间。本题很容易受问句时态的影响。