I/ Chuyển các câu sau thành Câu bị động hoặc Câu chủ động: 1.Does Egypt export cotton to many countries? ~> 2.The Christmas trees were decorated and put at the front doors. ~> 3. Somebody musst do something for these poor men. ~> 4. Did Jack London wwrite the novel "Martin Idon" ? ~> 5. A new supermarket is going to be built nexxt year. ~> 6. They have just built a new church near my house. ~> 7. People speak French and English in Canada. ~> 8. Bell invented the telephone in 1876. ~> 9. People say that he is the best doctor. ~> 10. His painting will be exhibited for the first time by New Arts Gallery. ~>