题目内容：

Always do your homework before you get too tired .改为同义句
____ you get too tired,you should ____ doing your homework.

优质解答

答案应该是：(Before) you get too tired,you should (keep) doing your homework.
原句句意为：在你变得过于疲倦之前,（你要）一直/总是做作业.
改后句意为：在你变得过于疲倦之前,你应该一直做作业.
即：keep doing sth 一直/持续/不断/反复做某事
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