英语In Beijing,the first city in China to employ subway securi
英语In Beijing,the first city in China to employ subway security checks,passengers are
In Beijing,the first city in China to employ subway security checks,passengers are still having to deal with them even though the Olympic Games ______ long ______.ks5u A.are,gone B.were,gone C.have,gone D.had,gone 为什么选A啊,不是完成时吗