5. There are over ten m       people in Shenzhen,

4. What's the p       of Shanghai?

3. Hong Kong is newer t        Shanghai,but it's smaller.

2. The population of China is 1         than any other country in the world.

1. My home t       is smaller than Shenzhen.

7. 在20世纪80年代                     

8. 确信;确定                          

9. pretty good 

10. on the coast 

4. 实际上                              

5. 变得更大、更繁华                     

6. 和……一样繁华 

1. (过去或将来的) 某一天  

2. 10米高                              

3. …一的人口 

下面是Tina在校园网英语留言板中的一条留言。根据Tina的留言和所给的内容提示，以Dudu的名义用英语回复她的问题。

提示：

1. 英语并非难学，但学习方法很重要；

2. 根据自己的切身体会给她提出几条建议；

3. 激励她坚持下去，并表达美好的祝愿。

Tina February 9th,2014 I'm a middle school student in Junior. I need help with my English. I'm really bad at it. Please help!Dudu February 9th,2014

Hi,Tina!I want to tell you that many students have the same problem as you.

50. Jenny often helps her mother       (do) the housework at home at the weekend.