charge  vt. ①索（要）价 ②指控 ③充电 n. ①费用，价钱 ②指控 ③负责，主管
[特征]
- The shop owner charged me too much money.
这个店主收了我很多钱。
- My brother was charged with stealing a car.
我哥被指控偷了一辆汽车。
- Does your truck battery charged easily?
你卡车的蓄电池容易充电吗？
- The charge for a movie is $ 5.
电影票价是五美元。
- The park is under the charge of the city government.
这座公园由市政府管理。
[备考必背]
①辨析in charge of 和in/under the charge of
这两个词组都是“负责”的意思，与别在于：in charge of 表示“（某人）负责某事”，含有主动意义；in/under the charge of 则表示“某事/人由某人负责”，含有被动意义。比较下面的句子：
- I was in charge of my brother.
我在照看我弟弟。
- My brother was in the charge of me.
我弟弟由我照看。
②重要词组
take charge of 掌管，负责
- Tom will take charge of the company during the boss' absence.
老板不在期间由汤姆负责管理公司。
charge sb. with sth. = accuse sb. of sth. 控告某人……
- He charged her with stealing.
他指控她盗窃。

choice  n. 选择；挑选的东西
[考点] 重要词组
have no choice but to do 只好，除……外别无选择
- You have no choice but to do the work.
你除了做这项工作没有别的选择。
make a choice 挑选，选择
- It's too hard to make a choice between the two dresses.
很难在这两件衣服中作选择。
[贴心叮咛]
choice是choose的名词形式。它的词组在历届考试中屡见不鲜。

clear  adj. 清晰的，响亮的  adv. 清楚地，明确地  vt. 清楚，收拾
[特征]
- The water in the river is so clear that we can see the bottom.
河水清澈见底。
- Let's clear all this crap off the kitchen.
让我们把厨房里所有的垃圾清理掉吧。
[贴心叮咛]
这是一个极重要的词，需要我们倍加小心！它的词性较多，词组也很多，一定要掌握有关clear的词组，它们常出现在考题中。
[考点] 重要词组
clear off 离去；迅速地离开某地
- At the sight of the policeman the boys cleared off as quickly as they could.
男孩子们一看见警察就赶紧溜走了。
clear up 整理；完成；收拾
- Would you clear up this room before our visitors arrive?
我们的客人到来之前，请你把这个房间收拾一下好吗？
clear out 离开；逃走；彻底清理
- When they heard the police arrived, the thieves quickly cleared out of house.
听说警察来了，那些小偷赶紧溜出了门。
[备考必背]
①辨析clear和clean
作形容词讲时，clean的意思是“干净的，清洁的”，其反义词是dirty；clear的意思是“清澈的，清晰的，明朗的”。作动词讲时，clean指“把……打扫干净”；而clear指“把……收拾得有条理”。
- The sky became clear the next day.
第二天天晴了。
- Speak louder and clearer, please.
请大声地说清楚。
clean the classroom 把教室打扫干净   clear the classroom 把教室归置好
②不用make clear that ...，而是用make it clear that ...，如：
（误）Please make clear that the answers are wrong.
（正）Please make it clear that the answers are wrong.
请说明答案是错误的。
③派生词：clearly  adv. 明朗地，明显地，无疑地
- Clearly, they are good friends.
很明显，他们是好朋友。

combine v. （使）联合，（使）结合
[特征]
- The two companies combined to make a large one.
这两家公司合并成一家大公司。
- Everything combined against him.
所有事情均对他不利。
[贴心叮咛]
combine是一个比较重要的单词，它的意思需要仔细琢磨。
[备考必背] 重要词组
combine ... with ... 使……和……相结合
- The film combines education with recreation.
这部影片寓教于乐。