GIÚP TUI ĐI TUI ĐANG CẦN GẤP GIÚP TUI TUI CHO 100 COINS
----- Nội dung dịch tự động từ ảnh ----- 3. Everyone must wear a helmet when riding a motorbike. (obliged) -> Everyone 4. It's a good idea to ask the teacher to help you if you don't understand the lesson. -> You
