— Why do you look so sleepy in class, John?
— Sorry, sir. I __________________ to watch a live Music Festival last night.
| A．kept up | B．made up |
| C．stayed up | D．put up |
David usually takes _______ walk for an hour after dinner.
| A． a | B． an | C． the | D．/ |
The population of the world still now.
| A．will; grow | B． has; grown | C．is; growing | D．is; grown |
— Excuse me. Is the library open all day?
—. Only from 8 a.m. to 4 p.m..
| A．Yes, of course | B．That's right | C．Sorry, I'm not sure | D．Sorry, I'm afraid not |
Keep off the drugs（毒品）, you and your family will be in great danger?
| A．and | B．or | C．but | D．so |
— May I come in? I'm sorry I am late.
— Come in, please. But could you please 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 again |