题目内容：

you must finish you homework before you go to bed 同义句
同义句转换：____ _____ you _____ your homework before ____ go to bed

优质解答

此句可转化为not.until的句型：You mustn't go to bed until you finish your homework.
对于此题,可改为：Be sure you finish your homework before you go to bed.勿必.