问题补充:
Mother asks me computer games before finishing my homework.
A. not play
B. to play
C. to not play
D. not to play
答案:
A. not play
B. to play
C. to not play
(答案→)D. not to play
解析:句意:妈妈要求我在写完家庭作业之前不能玩电脑游戏。ask 问,要求,它的句型是ask sb. to do sth.让某人做某事;这个句型的否定形式应该在动词原形的前面加not,意思是让某人不要去做某事。故选D。