I paid him ￡50 for the painting, but its true ______ must be at least ￡500.
| A．price | B．money | C．value | D．importance |
—Does your father smoke?
—,it's 2 years since he．
| A．Yes; smoked | B．No; smoked | C．Yes; smokes | D．No; has smoked |
Do you know theof the saying I just quoted?
| A．resource | B．cause | C．course | D．source |
Liu Xiang's Olympic dreams were shattered（破灭）forsecond time when he unfortunatelycrashed at first barrier in the ll0m hurdles heats in London．
| A．the; the | B．a; a | C．a; the | D．the; a |
—I see you got a "D" in biology．_?
—Well, I found that subject hard． I think I'II drop it for history．
| A．How about that | B．What for |
| C．How come | D．What's your next plan |
Some aspects of a pilot's jobbe boring, and pilots oftenwork at inconvenient hours．
| A．can ; have to | B．may ; can |
| C．have to; may | D．ought to; must |