1. There has been a growing number of traffic recently. (x)
There has been a growing amount of traffic recently. (√)
a (n)...number of+复数名词: a (n)...amount of+不可数名词。
2. A big amount of money has been invested in the semiconductor industry.(x)
A large amount of money has been invested in the semiconductor industry.(√)
a large或small amount / number为正确用法，不可用a big或little amount / number。
3. The party was a huge success. All the people really amused themselves. (x)
The party was a huge success. All the people n:ally enjoyed themselves. (√)
amuse oneself是指“做一些娱乐或消遣的事情”，如:How do you amuse yourself in your free time?(你闲暇时做何消遣?) enjoy oneself是指“玩得很开心”。
4. I took my children to an amusing park last Sunday.(x)
I took my children to an amusement park last Sunday. (√)
amusing意为“有趣的;好玩的”，如:The story he told is really amusing.(他讲的故事真的很有趣。)an amusement park表“游乐公园”，为固定用法。
5. It's an obtuse angle, not a sharp one.(x)
It's an obtuse angle, not an acute one. (√)
“锐角”的正确说法为an acute angle。 sharp是“尖锐的”，专指器物，如a sharp knife(一把尖刀)。
6. Falling in love is one thing; getting married is the other.(x)
Falling in love is one thing; getting married is another. (√)
the other是指两者的“另一”，如:I have two computers. One is a desktop; the other is a laptop.(我有两部计算机，一部是台式的，另一部是手提的。)another是指三者或以上的“另一”。one thing和another表“……是一回事: ……是另一回事”，为固定搭配。
7. I don't like beef noodles. Let's eat another.(x)
I don't like beef noodles. Let's eat something else.(√)
指不同的事物或人时，须用something / someone else。
8. George traveled from a country to another by bike. (x)
George traveled from one country to another by bike.(√)
from one N to another=from N to N，是正确用法，如:The tradition will be passed down from one generation to another.=The tradition will be passed down from generation to generation.(这种传统将会一代代地传下去。)
9. I rang the doorbell, but nobody responded. (x)
I rang the doorbell, but nobody answered.(√)
respond特指采取行动或措施来反应或以书写的方式来响应，如:Thousands of viewers responded to our questionnaire.(好几千名观众回答了我们的问卷。)“应门”的说法是answer (the door)。
10. I wrote her a letter but she has not answered back. (x)
I wrote her a letter but she has not answered (it). (√)
answer a letter是“回信”; call back是“回电话”:answer the phone是“接电话”。answer back=talk back是“顶嘴”的意思，如:I hate children who answer back.(我讨厌会顶嘴的孩子。)