You ________ cross the road when the traffic lights are red.
| A．can | B．must |
| C．mustn’t | D．needn’t |
代表“英国广播公司”的是：____。
| A．CCTV | B．BBC | C．NBA | D．P |
_________. Is this your pen?
| A．Sorry | B．Hello | C．Hi | D．Excuse me |
Thank you _____ your help.
| A．to | B．of | C．for | D．in |
This is ______ ruler and that’s ______ eraser.
| A．a; a | B．a; an | C．an; a | D．an; an |
当你早上遇见老师的时候，你应该说________。
| A．Good morning. | B．Excuse me. |
| C．Sorry. | D．Thank you. |