重点讲解：
1. all kinds of
各种类型的；五花八门的；
eg. onations came from all kinds of people.
捐赠来自于各界人士%2DSv2qw-SeWIj)J&e。
eg. All kinds of remarkable things began to happen.
开始发生各种不寻常的事OsFoI9U81LB1xMP6M。
2. used to do sth.
过去常常；过去曾做某事；
eg. Things ain't what they used to be.
现在情况不比从前了GDhZ~4eysm(8~g。
eg. I used to live in London.
我曾经在伦敦居住过wVgN~J~WU3S9n。
3. enjoy doing sth.
享受；喜爱做某事；
eg. I enjoyed playing cricket.
我喜欢打板球r(tQ2er|w)Q。
eg. Children enjoy playing on the sands.
孩子们喜欢在沙滩上玩耍haYw_Ax-vYHd8!*0。