——Where is Alice?——I think she is in the dormitory.I saw her

——Where is Alice?——I think she is in the dormitory.I saw her __
接着 ：(pass) our classroom just now .
② We must keep the classroom ____ (clean).Because we're going to have an English party tomorrow.
都是根据 适当形式填空
其实挺简单的
就是忘了知识点 不知到底是 see sb to do sth还是see sb do sth ② keep sth clean 还是keep sth to clean还是 keep sth cleaning