ls it _____(possible/possibly) to finish your homework before eight
问题描述：
ls it _____(possible/possibly) to finish your homework before eight
答
possible肯定句式it is possible to finish your homework before eightit 作形式主语,is后面加形容词.真正的主语是to finish your homework before eight用老师的话就是：主系表结构 be是系动词 possible 是表语...