—Will you read me a story Mummy?—OK.You have one if you go to bed as soon as possible.(2

问题补充：

—Will you read me a story，Mummy?

—OK.You have one if you go to bed as soon as possible.(·陕西)

A. might

B. must

C. could

D. shall

答案：

A. might

B. must

C. could

(答案→)D. shall

解析：句意：——妈妈，给我讲个故事好吗？——好，如果你尽快上床睡觉，我就给你讲一个。shall在此处表示“允诺”，故选择D项。