Are those your pen friends? Yes, .
| A．they are | B．they’re |
| C．they are not | D．they |
Help yourselves ___ some fish.
| A．for | B．to | C．of | D．in |
— Have you finished ______ your clothes?
—No, I haven’t.
| A．to wash | B．washing | C．washed | D．washes |
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． |