校园安全问题值得重视。我们应该怎样做才能使学校更安全、让自己远离危险呢？我们可以从衣食习惯、言行习惯及交通习惯等方面进行思考。请仔细阅读以下建议，并根据提示完成信息。

1.We had better not run in the classroom _________at the hallways. It’s dangerous.

2.We need to do some warm-up activities before____ sports and drink some water after that.

3.We are not allowed to ride motorbikes to school. We had better____to school on foot.

4.We should get_ ______with others, we can’t fight.

5.We _____________________________________.

校园安全问题值得重视。我们应该怎样做才能使学校更安全、让自己远离危险呢？我们可以从衣食习惯、言行习惯及交通习惯等方面进行思考。请仔细阅读以下建议，并根据提示完成信息。
【小题1】We had better not run in the classroom _________at the hallways. It’s dangerous.
【小题2】We need to do some warm-up activities before____ sports and drink some water after that.
【小题3】We are not allowed to ride motorbikes to school. We had better____to school on foot.
【小题4】We should get_ ______with others, we can’t fight.
【小题5】We _____________________________________.

我们已经学习了许多表示职业的英语单词，例如teacher(教师)，golfer(高尔夫球手)，programmer(电脑程序设计员)，engineer(工程师)，doctor(医生)，actor(演员)，还有pianist(钢琴手)，violinist(小提琴手)，journalist(新闻记者)等。我们可以发现这些表示职业的英语单词，含有-er，-or，或-ist词缀。学习英语单词词缀同样可以帮助我们记忆单词。你能猜出下面英语单词的意思吗？

dancer ________, diner ________, receiver ________, inventor ________, specialist ________.