The teacher explained a second time, the students should have difficulty in doing the experiment.
| A．although | B．in case | C．so that | D．but |
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 |
“What about ______ school?” “It is as good, as anybody can see, _____ school as No 1 Middle School Attached to Hunan Normal University.”
| A．a; the | B．the; a |
| C．a; a | D．the; the |