— 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 |
---May I smoke here?
---No, you ______. Look at the sign, it says, “No smoking!”
| A．couldn’t | B．needn’t |
| C．mustn’t | D．won’t |
---How do you like the dress?
---It’s beautiful, and it fits me well. _______ I like it very much.
| A．Or | B．So |
| C．But | D．Because |
. ---Which is _______, the sun, the earth or the moon? ---Of course, the sun.
| A．big | B．bigger |
| C．biggest | D．the biggest |
--When will you come back? ---_______ July 5th.
| A．On | B．In | C．At | D．To |
---Can I help you, sir? ---Yes, I’d like five _______.
| A．meat | B．potato |
| C．potatoes | D．banana |