now that the country (has joined)the WTO,China meets WTO callenge.为什么括号中用现在完成时,而不是一般现在时?WTO的挑战是不是也可以写成the callenge of WTO呢?

The population in that country____slowly nowThe population in that country (is increasing slowly now为什么要用is increasing 翻译：America is a country that now sits atop.America is a country that now sits atop the cherish myth that work provide rewards,that working people can support their families. He said there is no partisan divide in Washington on the nature of the threat now emanating from that country. Can you imagine that I’m now in the United States,a country so different from China _____ their policy can be changed the future for that country will be indeed bleak. A: Even if B: Unless C:Now that D:As long as ____population for that country keeps increasing.Now it has ___population of over 100 millionA./;aB.A;/C.The;theD.The;a IT HAS BEEN TEN YEARS NOW SINCE THE LABOUR PARTY CAME TO __IN THAT COUNTRY.A:POWER B:CONTROL C:FORCE D:CHARGE 英语翻译Now,I want you to remember that no bastard ever won a war by dying for his country.He won it by making the other poor dumb bastard die for his country. the population of that country is getting_____.Yes.There are_____1 billion people now.the population of that country is getting_____.Yes.There are_____1 billion people now.A.bigger; as to B.smaller; close to Clarger; up to Dbigger; next to已知道 In that country,the rich__richer,the poor,poorer _their economic system is reformed,the destiny of that country will be hard to predict.A.only after B.unless C.now that D.as long as选哪一个 now that the country (has joined)the WTO,China meets WTO callenge.为什么括号中用现在完成时,而不是一般现在时?WTO的挑战是不是也可以写成the callenge of WTO呢? that small town was ________the capital of the country.(one) that fashion differs from country to country may reflect the cultural differences from one aspect. 英语翻译By the same token,Italy’s position is now markedly worse than that of Spain,which until this summer had been seen as the country most likely to succumb after Greece,Ireland and Portugal. 英语翻译Mozambique is a country that tries to take health seriously.Its prime minister,Pascoal Mocumbi,is a doctor.It's been one too,but Frelimo,the former liberation movement that now governs the country,could not afford to keep both him and Dr. Now,for the first time ever ,为什么要加个ever?Now,for the first time ever ,we can explore the whole of this great country,meet some of the surprising and exotic creatures that live here and consider the relationship of the people and wildlife o like ours在语境中什么意思?Now we're entering Kangaroo Country.In all,there are more than fifty different species of kangaroo,and the advantage of zoos like ours is that you see them in their natural habitat.