1.Jean did not have time to go to the concert last night be cause she was busy ________ for her examination.
A. to prepare B. to be prepared C. preparing D. being prepared

2.I think I was at school , ______________ I was staying with a friend during the vacation when I heard the news.
A. or else B. and then C. or so D. even so

3.We welcome rain, but a _________ large amout of rainfall will cause floods.
A. extensively B. extremely C. specially D. constantly

4. charge,price,cost,expense辨析.

charge:指提供服务时索取的费用，也指货物的价格、价钱。做动词指收取费用，后面可直接跟收取的费用的数目（charge...<money> for sth.某物收费...<钱>）或跟付钱的人（charge sb...<money> for sth 某人花费...〈钱〉购买某物）；
price:指商品在市场出售的价格，尤指卖方对商品所提出的单价。比喻意义指付出的代价。
cost:作名词指获得某物或到达某目的的必须付出的东西，包括金钱和生命，有时可代替price,但price强调货物本身的价值，而cost强调生产某东西的成本（...<sth> cost sb...<money> ... <某物>花去某人...<钱>）；
expense:常指实际支付的费用总数额，有时也指钱的花费。

例句:

As long as you've paid in advance we won't charge you for delivery.

只要你预先付款，我们就不收你送货费。
The assistant priced the garments before putting them on display.

营业员先给服装标好价格再摆出来卖。
The car cost him around ten thousand US dollars.

这车花去他一万美元左右。

I don't think we can afford the expense.

我认为我们负担不了这个费用。

练习: She was complaining that the doctor was ________ too much for the treatment he was giving her．

A. expending B. offering C. cosing D. charging

5.affair , event, case, incident,matter 辨析

affair：已发生或必须去做的事，特指重要的事务；
event ：除了指大事件或事变，还指社会集会或活动、运动会的比赛项目
case ：指示列或需要警方调查或法庭判决的案件
incident ：指突发事件，表示的多为不同寻常的或引起暴力、危险的事件，特别是引发国际争端或战争的事件
matter ：平时所遇到或说到的事、人们要考虑和处理的事情。

例句:
The wedding was a very grand affair.

那婚礼是件盛事.

Winning the scholarship was a great event in the boy's life.

赢得这项奖学金是这个男孩一生中的一件大事。

As the case stands, you must leave here at once.

照现在情况看, 你必须马上离开这里。
The police are connecting this incident with last week's terrorist bombing.

警方认为这次事件和上周的恐怖分子爆炸事件有关。
She reluctantly agreed to let the matter drop.

她勉强同意这事到此为止。

练习: We have no right to interfere in any other country's internal ______.

答案：

1.C
[搭配]: be busy doing sth./be busy with/at sth. 忙于做某事;a busy day/life 忙碌的一天/一生;
[译文]: 简昨晚没时间去听音乐会,因为她忙着准备考试.

2.A
[考纲短语]：or else 否则，要不然
[搭配]：no one else but... 除了...没有别人；nowhere else 没别的什么地方
[译文]：我认为当我听到这个消息时，我是在学校，或者就是和朋友在一起度假。

3.B
[考纲短语]：in the extreme 非常，极其
[扩展]：extremely ad. 极端地，非常地
[译文]：下雨好，但雨量过多会造成火灾。

4.D
[考纲短语]：in charge (of) 管理，负责；take charge 开始管理，接管
[译文]: 她正在抱怨那位给她看病的医生收费太高

5.affairs
[译文]：我们无权干涉他国的内部事务。