重点讲解：
1. be/get used to sth./doing sth.
习惯于某事；
eg. She was not used to mixing with people of high social rank.
她不习惯和社会地位很高的人搅和在一起yi_3fEFm.AaZ6A1。
eg. You'll get used to it.
你会习惯的h~vCXM2t10An]@%。
eg. He is used to taking notes of everything he did.
他习惯把他所做的一切事情都记下来2Wshh(DgpN|u4。
2. used to do sth.
过去常常；过去曾做某事；
eg. He used to be one of the professors at the School of Education.
他曾是教育学院的一名教授&lXiYB^~%^)l0!4+96QA。
eg. It's ironic that she became a teacher—she used to hate school.
令人啼笑皆非的是她成了教师—她过去一向厌恶上学*oZ5Ot1.x;^T。
3. take care of
照顾；照看；看护；
eg. There was no one else to take care of their children.
没有别人可以照料他们的孩子4xc(d;U3i#%mX_rtt。
eg. You have to learn to take care of your possessions.
你得学会保管好自己的财物hStlmXllbj8%-bh8。