—Excuse me, I don’t want to interrupt you but…
— ______.
| A．You are welcome | B．It’s okay | C．I have no idea | D．That’s right |
— Did you happen to see _______ black and _______ white cat?
— Are they missing? I told you to take care of them.
| A．a; 不填 | B．the; 不填 | C．the; the | D．a; the |
Many people agree that ______ knowledge of English is a must in _______ international trade today.
| A．the, an | B．a, 不填 | C．the, the | D．不填, the |
In the market, vegetables are sold by _______ kilogram, I mean, by _______ weight.
| A．the; 不填 | B．不填; 不填 | C．the; the | D．不填；the |
---“Charley Oakley, ______ NBA All-star, hasn’t missed ______ game in the past three years.”
---“I can hardly believe it.”
| A．an; the | B．a; the | C．the; a | D．an; a |
The market for ______ used computers is getting larger and larger as______ years go on.
| A．不填, 不填 | B．the, 不填 | C．the, the | D．不填, the |