The number 6,743,234,123 is read ____ .
| A．Six billion, seven hundred and forty-three million, two hundred and thirty- four thousand, one hundred and twenty-three |
| B．Six billion and seven hundred and forty-three million and two hundred and thirty four thousand and one hundred twenty-three |
| C．Six billion and seven hundred and forty-three million and two hundred and thirty four thousand and a hundred and twenty-three |
| D．Six billions, seven hundreds and forty-three millions , two hundreds and thirty -four thousands a hundred and twenty-three |
—Excuse me. Is the library open all day?
— . Only from 9 a. m to 4 p.m.
| A．Yes, of course | B．That’s right |
| C．Sorry, I’m afraid not | D．Sorry, I’m not sure |
—May I come in? I’m sorry I’m late.
—Come in, please. But could you tell me ?
| A．how do you come to school | B．what were you doing then |
| C．who you talked with | D．why you are late |
If you for your favorite TV programs, you will feel sleepy.
| A．stay up | B．set up |
| C．stay at | D．pick up |
—Could you please the radio a bit? It’s too loud. —Sorry, I’ll do it right away.
| A．turn down | B．turn up |
| C．turn on | D．turn to |
After a long walk in the sun, they wanted to drink .
| A．cold something | B．something cold |
| C．nothing cold | D．cold anything |