The food_______in this way keeps fresh．
| A．prepare | B．preparing |
| C．to prepare | D．prepared |
--I can’t understand why our boss is late.
--He _____the early bus.
| A．could miss | B．may have missed | C．can have missed | D．might miss |
At 2004 Athens Olympic Games, Liu Xiang excited people all over Asia when he became the first Asian _______ the gold medal in the men’s 110-meter hurdles.
| A．has won | B．won | C．to win | D．winning |
Cell phones are now widely used, _______possible for us to talk to anyone from almost anywhere.
| A．make it | B．to make it | C．making | D．making it |
. The prisoner _____ to escape from the prison. But he couldn’t find anybody to help him.
| A．attempted | B．managed | C．advised | D．offered |
. We’re too busy _____ a long vacation this summer, ______ the fact that we can’t afford it.
| A．taking; not mentioning | B．to take; not to mention |
| C．for; not mention | D．with taking; without mentioning |