问题补充:
–Will you read me a story, Mummy?
--OK. You have 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:考查情态动词的用法。Might可能,must一定,必须 could可能 shall用于第二第三人称可以表示命令,警告,允诺,威胁,法律规范。此处是允诺。意为,如果你尽快上床,我会给你读一个故事。这是对孩子做出的允诺。