—Will you read me a story Mummy?--OK.Youhave one if you go to bed as soon as possible.A.

问题补充：

—Will you read me a story ,Mummy?

--OK.Youhave one if you go to bed as soon as possible.

A. might

B. must

C. could

D. shall

答案：

A. might

B. must

C. could

(答案→)D. shall

解析： 情态动词辨析题。might表达推测“也许” ，must “非要、偏要”， could 能、会 ，shall 表允诺“可以”；句意：妈妈，给我讲故事好吗？好的，如果你快些睡觉可以给你讲一个故事。 根据语境选D