—Could I play puter games for a while, Mum? I’ve finished all my homework.
—Oh, dear, if you .
A. can
B. dare
C. should
D. must
网友回答
A. can
B. dare
C. should
(答案→)D. must
解析：考查情态动动词，can意思“能”， dare意思“敢”，should意思“应该”，must意思“必须”，句子意思“妈妈，我可以玩会游戏吗？我已经做完作业。哦！亲爱的，如果你必须玩得话，那你就玩吧”，所以选D