Tigers wait ______ it is dark, then they go out to find their food.
| A．though | B．as | C．because | D．until |
相关试题
— 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. |
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