he watched tv after he finshed his homework
题目
he watched tv after he finshed his homework
保持:he _______ watch tv ______ he finished his homework
答案
he (didn't) watch tv (until) he finished his homework
not...until...到...才...
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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