28[单选题,1.3分] Summoned by the teacher, he approached his office full of ______.

23[单选题,1.3分] ____ of the bombing of the embassy went swiftly across the country.

16[单选题,1.3分] If the market is left ____________, there will sometimes be shortages or over-production.

[单选题,1.3分] The classroom is almost empty, where is _____?

[单选题,1.3分] _____ of you comes first will get the ticket.

单选题,9分] Scientists say it may be five or ten years _______ it is possible to test this medicine on human patients.

Now almost all the parents want their children to learn the piano or the violin, _____ their children are willing or not.( )

_________ in a person’s speech or writing usually ranges on a continuum from casual or colloquial to formal or polite according to the type of communicative situation.

__________ is the act performed by or resulting from saying something; it is the consequence of, or the change brought about by the utterance.

【单选题】They do it _ the knowledge or help of their partents.

All people, whether they be rich or poor, strong or weak, privileged or deprived，are interdependent, and _______ the common task of seeking to achieve mankinds full potential

1_____education is the instruction that occurs when the instructor and students are separated by distance or time,or both