问题

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

正确答案是：

同类题型

I heard the voice,I knew that my father was coming.[ ]

t cases, college graduates don’t mind what job they will do so long as it is one ______ they can earn money to support themselves.

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You will find to learn English if you put your heart in it.