成都电子科技大学
P1
Bus or Taxi: How often do you take the bus?/What are the advantages of taking a taxi compared with buses?
Sunny days:Do you like sunny days?/Are there many sunny days in your hometown?
P2
Describe a place you visited that has been affected by pollution
P3
What kinds of pollution are serious in your country?
What can individuals do to protect our environment?
