K
31. (1) keep sb. doing sth. 让/使某人一直做某事
快点！不要让他们等得太久。
Hurry up! Do  not keep them waiting too long.
他的父母总是让他坚持练习弹钢琴。
His parents always keep him practicing playing the piano.
(2) keep＋名词＋形容词的意思为“使……处于……状态中”。如：
My work kept me busy all day. 我的工作让我忙了一天。
32. keep/make＋n./pron.＋adj. 保持/使……怎么样
请保持阅览室干净、整齐。
Please keep the reading room clean and tidy.
他的话使父母很生气。
What he said made his parents very angry.

L
33. like doing/like to do
我妹妹十分喜欢唱歌跳舞。
My younger sister likes singing and dancing very much.
他父母不喜欢乘坐飞机旅行。
His parents do  not like to travel by plane/air.