Chuyển thành câu bị động: 6. They began to plant rubber trees in big plantations. ____________________________________________________________ 7. People can continue to enjoy natural resources. __________________________________________ 8. People will continue to drink Coca – Cola in the 21st century. _________________________________________________________________________________ 9. American people begin to love football. _____________________________________________________________ 10. Open your book. ______________________________________________________

6. Rubber trees began to be planted in big plantations.

7. Natural resources can continue to be enjoyed.

8. Coca - Cola will continue to be drunk in the 21st century.

9. Football begins to be loved by American people.

10. Let your book be opened.