Yet the worsening US subprime crisis is stoking concerns that the world's fourth-largest economy may loose its steam when American consumers tighten their purse strings against Chinese goods.strings在这里做什么讲?

Yet the worsening US subprime crisis is stoking concerns that the world's fourth-largest economy may loose its steam when American consumers tighten their purse strings against Chinese goods.strings在这里做什么讲? the factors of worsening of our environment the surroundings of animal is worsening.为什么用is呢 请问 Yet to us We__(not finish)the work yet.Will you help us __you__(be)to the museum? With the weather worsening,they have ________ the voyage from London to Australia. 单句改错：The reason for all the changes being made haven't been expiained to us yet With the weather worsening,they have ________ the voyage from London to AusWith the weather worsening,they have ________ the voyage from London to Australia.选项:a、called off b、called in c、called out d、called for 改错 11.she has seen the film in 1990 yet.12.each of us have read the text twice.13.i study here for three years. GMAT逻辑15.Technological education is worsening.People between eighteen and twenty-four,who are just emerging from their formal education,are more likely to be technologically illiterate than somewhat older adults.And yet,issues for public referend the best is yet to professor James will give us a lecture on the Western culture,but when and wherehasn't been decided yet.when and where后面省略了什么句子 They have to stay with us ___ the tune being because they have not found a place yet.A.duringB.inC.forD.since Yet most of us will never achieve to the degree that these people have either这句中的either怎么翻译 Amy _______ go to the party with us but she’s not sure yet.A.should B.must C.may D.need Helen_____go on the trip with us,but she isn' t quite sure yet.选项：A.shall B.must C.may D.can 1．Helen _______ go on the trip with us but she isn’t quite sure yet.（2005年安徽卷） Helen ______ go on the trip with us,but she isn't quite sure yet.A.may B.can 选哪个 为什么?