If you really have to leave during the meeting, you’d better leave _________ the back door.
| A．for | B．by |
| C．across | D．out |
Beijing, ______for hosting the 2008 Olympic Games, ____its first loop (圈) of green belt around the downtown, ____an area of 102.3 square kilometers, in the past three years.
| A．prepared; built; covered | B．preparing; built; and covered |
| C．which prepares; building; covers | D．preparing; built; covering |
____ to train his daughter in English, he put an ad like this in the paper, “ _____,an English teacher for a ten-year-old girl.”
| A．Determined; wanted | B．Determined; wanting |
| C．Determine; wanted | D．Determining; wanting |
Agriculture officials this week said strict control pressures are in place,___to prevent the red fire ants spreading across the country.
| A．intended | B．intending | C．to be intended | D．having intended |
—The police have caught the murderer.
—Yes, and he admitted ________ his boss on a rainy night seven years ago.
| A．to kill | B．to have killed | C．having killed | D．have been killing |
__________ you promise to come to help me,I don’t mind what time tomorrow you arrive at my place.
| A．So long as | B．So far as | C．As good as | D．As well as |