how long ()you often -----(spend)---(do)your homework

问题描述:

how long ()you often -----(spend)---(do)your homework
根据括号内词填写横线上!并要翻译!第一个括号也要填!

How long do you often spend doing your homework?
你经常花多长时间做作业.
这是问做作业,也就是经常要做的事情,用一般现在时,所以第一个空应该用助动词do,第二个空,spend ( time) doing sth花费时间做某事,是固定用法.