It was not until dark _______ he found _______ he thought was the correct way to solve the problem.
| A．that; what | B．that; that |
| C．when; what | D．when; that |
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______ World Exposition in 2010 is the first registered World Exposition in ______ developing country.
| A．/; a | B．The; a | C．The; / | D．/; the |
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It’s a mistake to think of Chongqing only ______ its tourist attractions.
| A．in addition to | B．by way of | C．in terms of | D．by means of |
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I _____ to telephone you last night, but the line was out of order and I couldn’t get through.
| A．succeeded | B．tried | C．managed | D．failed |
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I would like a new job which pays more, but ______ I enjoy the work I’m doing at the moment.
| A．in other words | B．on the other hand | C．for one thing | D．as a matter of fact |
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Service was included in the bill, so you _______ the waiter. It was a waste of money.
| A．will not tip | B．may not tip | C．needn't have tipped | D．mustn't have tipped |