(4)how
? 关键问题
How do you think we can control the terrible traffic condition?
? 关键句型
Before I explain, I’d like you to imagine that you are a…, and…. After this thinking, you might know how…, right?
There are a couple of ways to…. In the first place,… In addition,…. Last but not least,…
This is really a big question for me. I think with the development of technology and society, the problem will be solved gradually.
(5)advantages and disadvantages
? 关键问题
What are the advantages and disadvantages of watching TV program?
? 关键句型
The advantage is…, while the disadvantage is…
On one hand,…. On the other hand,…
There are at least two advantages/disadvantages. For one thing,…. The other one is...
(6)why
? 关键问题
Why is it important for us to give gifts to others?
? 关键句型
There are three reasons for that. To begin with,…. In addition,…. Lastly,….
A couple of reasons may explain that. In the first place,…. What’s more,…. Last but not least,….
There are several reasons for that. Firstly,…. Secondly,….Thirdly….
Well, the reasons for that are very simple. At first, ….. Next,…. Finally,….