It’s _____ to speak loudly at the table in western countries.
| A．polite | B．impolite | C．possible | D．impossible |
—Would you like some milk?
—________.
| A．Yes, please. | B．Help yourself. |
| C．My pleasure. | D．Here you are. |
You can’t take photos when you see the sign _____.
A． |
B． |
C． |
D． |
— My family are going to Dalian next week.
—_____.
| A．Good luck! | B．That sounds boring! |
| C．Have a good time! | D．Hi, there! |
－Must I finish my homework today?
－No, you _____. You can finish it tomorrow.
| A．don’t | B．can’t |
| C．mustn’t | D．don’t have to |