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 |
相关试题
Listen! Do you hear someone __________for help?
| A．calling | B．having called | C．to call | D．called |
Eating too much fat can ________ heart disease and cause high
blood pressure.
| A．contribute to | B．come across |
| C．depend on | D．leave out |
Mr. Lee, may I ask you a question?
—______.
| A．It’s a pleasure | B．Go ahead |
| C．With pleasure | D．So do you. |
—Excuse me! Sir, is the swimming pool open all day?
—.Only from 6:00 p.m. to 10:00 p.m.
| A．That’s right | B．Yes, of course | C．Sorry, I’m not sure | D．Sorry, I’m afraid not. |
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