I. Energy

`\text{1. What kind of energy do you know?}`

$\text{1. $\Longrightarrow$ Nuclear energy, Chemical energy. solar energy . natural gas , coal , oil , ...}$

$\text{2. How is energy in the world today? }$

$\text{$\Longrightarrow$ There are some places that are seriously polluted , many people consume too much energy ,...}$

II. Festival

$\text{1. What festival in vietnam do you like best?}$

$\text{$\Longrightarrow$ The Festival I like the best in Viet Nam is Flower Festival.}$

$\text{2. What is special about that festival?}$

$\text{$\Longrightarrow$ It has a lot of beautiful flowers , very unique shop decoration , a lot of people come to buy , ... }$