learning about language etiquette is just as important as learning grammar.为什么第二个learn也要ing是因为as..as的原因?还是跟前面一样
问题描述：
learning about language etiquette is just as important as learning grammar.为什么第二个learn也要ing
是因为as..as的原因?还是跟前面一样
答
as......as结构两边动词状态要一致
答
第二个as后面用动名词doing,表示这件事情