Either of__________is quite capable of the work．
The teacher asked US to write a__________in one hour．
The film in my camera is finished．I need to get it__________．
__________the PLA men the villagers would not have survived the flood．
If law and order__________not preserved，people will notBe able to live a secure life．
根据下列短文，回答{TSE}题。 A panel of government officials is worried．The air quality in some areas is not good．Theair is polluted with soot．The officials worry that the air is harmful to the people who breath
How will the government know what the air quality is?
根据下列短文，回答{TSE}题。 There are various in which individual economic units Can interact with one another．Three basic ways may be described as the market system，the administered system and the traditional
