当我们不知道如何解决问题时,可以向老师寻求帮助.(how to…)
老师经常警告学生们不要在教室里吃东西.
今天早上八点的时候,Mike正在追赶校车吗?
现在操场上大约有1,000名学生.
Tom and Peter are good friends.They can talk about and (分享)everything.
We shouldn't take these game shows too (严肃地)while watching them.