Sắp xếp lại câu:
1.this time tomorrow./English/They/will be learning/
 They will be learning this time tomorrow.
2.to save/will reduce/our energy./the use of electricity/We/
 We will reduce the use of electricity to save our energy.
3.solar energy/popular/Will/in/be/2050?/
 Will solar energy be popular in 2050?
4.Solar energy/in the world/by many countries/will be used/
  Solar energy will be used by many countries in the world.
5.to another/How/you travel from/will/one place?/
 How will you travel from one place to another?

Viết lại câu sao cho nghĩa không đổi
1.What is the distance between Vinh and Ha Noi city?
=>How far is it from Vinh to Ha Noi city? 
2.I often walked to school when I was a student
=>I used to walk to school when I was a student.
3.Although they are short,they still love playing sports
=>In spite of being short , they still love playing sports.
4.We will use less electricity in the future
=>Less electricity will be used in the future.
5.This is my computer
=>This computer is mine.