1.词义：让某人一直做某事
2.考点：常考查keep后的动词形式
3.必背例句：
The headmaster kept me waiting for two hours last time.
上次校长让我一直等了两个小时。
Why do you keep laughing all the time?
你为什么一直在笑呢？
4.扩展：
Keep的用法归纳:
a.意为保存；保留；保持
I will keep a seat for you. 我给你留个座位。
Can you keep a secret?你能保守秘密吗？
b.意为照顾；养活
I have a family to keep. 我得养活一家人。
c.意为遵守；维护
Everyone must keep the rules. 人人必须遵守规章制度。
d.意为留下，不必还
You can keep the pen if you like it. 你要是喜欢就把钢笔留下吧。
Keep the change. 不用找零钱了。
e.意为记
She keeps a diary every day. 她坚持每天记日记。
f.意为使保持某种
we should keep the our classroom clean and tidy. 我们保持教室整洁干净。
Youd better keep the child away from the fire. 你最好让孩子离火远一点。
常用句型，短语：
a. keep doing sth. 意为继续干某事，不间断的持续干某事。
He kept working all day, because he wanted to finish the work on time. 他整天都在不停地工作，因为他想准时完成工作。
b. keep on doing sth. 持续做某事
The pupil kept on asking me the same question. 这个学生不断地问我同一个问题。
c. keepfrom doing sth. 阻止，防止做某事
The heavy snow kept us from going out. 大雪使我们不能出去。