—Can you tell me why you learn English so well?
—It’s easy. _________you work, _________grades you can get.
| A．The more careful; the best |
| B．The more carefully; the better |
| C．More carefully; better |
| D．The more careful; the better |
—__________
—Yes, a cup of tea, please.
| A．Excuse me. | B．Can I help you? |
| C．Are you OK? | D．Good morning! |
— Where is Alice?
—Oh, she __________ an English song in her room.
| A．singing | B．sings |
| C．is singing | D．is sing |
—There __________ a post office and two supermarkets in our neighborhood.
—Yeah. And I think our neighborhood is very busy.
| A．have | B．are | C．is | D．has |
—Jackie Chan is __________ actor.
—Yes, I like him very much.
| A．an | B．a | C．/ | D．the |
—May I go to the science museum with you next Saturday?
—You can't ________you have a ticket. I have only one ticket.
| A．if | B．until |
| C．unless | D．as soon as |