turn in to passive voice cần gấp giúp vs ạ ----- Nội dung dịch tự động từ ảnh ----- 11. They cut down many trees before the storm yesterday. 12. The engineers will build a bridge near my house next month. 13. Americans produce many cars every year. --> 14. Did you find out the answer to that question? 15. She has invited some friends to her house. -->