	cú tui \| Chat Online
	02/02/2025 13:48:04
	Tiếng Anh - Lớp 9 \| Tiếng Anh \| Lớp 9

Read the following announcement and mark the letter A, B, C, or D

[ Nhấp vào ảnh để phóng to, xoay ảnh ]

----- Nội dung ảnh -----
```
Welcome to City Bus Service! To have a safe trip, please (13) ______ these rules:
(14) ______ your ticket ready for checking,
If you (15) ______ any bags left alone, tell the staff right away.
```