It is the first time that a developing country _______ the Expo, described as the Olympic Games of economy, science and technology.
A.is hosting
B.has hosted
C.hosts
D.will host
答案:B
It is the first time that a developing country _______ the Expo, described as the Olympic Games of economy, science and technology.
A.is hosting
B.has hosted
C.hosts
D.will host
答案:B