could you make some posters for me __ you are there?是添while还是when答案是选while
问题描述:
could you make some posters for me __ you are there?是添while还是when
答案是选while
答
强调主句的动作在从句动作的发生的过程中用while
整句翻译:当你在那时,能不能帮我做一些海报?