9. You have to pay me first before I do it. 你得在我于以前先付钱。

8. Have you paid the doctor yet? 医生的酬金付了吗?

7. I spent 20 dollars on the coat.　　 = The coat cost me 20 dollars.

　　 = I paid 20 dollars for the coat.　 = I bought the coat for 20 dollars.

　　 = I bought the coat at the price of 20 dollars.

　pay vt. 付...报酬, 付款

6. He often spent his spare time (in) helping the poor.

他经常利用他的业余时间帮助穷人．

如要说“这件上衣我花了20美元·．可用下面几种表达方法．

5. I spent 50 dollars on the camera. 买这只照相机，我花了50美元．

4. It took them over two years to build the bridge. (少用 cost)

修建这座桥花了他们二年多时间．

spend 一般用来表示花费钱或时间，主语是表示有生命的名词或代词(一般为人)。

　　　 常用”spend…onsth.”或”spend…(in)doing sth.结构。

3. The work cost them much labour. 这件工作花费了他们很大的劳动．(不用take)

2. How much did the radio cost you? 这台无线电花了你多少钱?(不用take)．

1．The composition cost (took) me three hours. 我用了三小时才写成这篇作文．

2. I was invited to give a talk at the meeting. 昨天我应邀在会上发言．

e. cost, take, pay, spend

　 cost　 v. 花费金钱,时间,劳力, 事物作主语

n. (u. c.)作名词时表示‘成本’、‘价钱”、“费用’，用作可数或不可数名词．

　 living costs生活费用

　 the cost of a book一本书的成本

　 What's the cost of the car? 那辆汽车得花多少钱？

　take　 花费时间, 事物作主语