The world _____ . Things never stay the same.

A.changes B.is changing C.was changing D.will change

B

解析試題分析:句意:世界正在發(fā)生變化。事情不會永遠(yuǎn)保持不變。結(jié)合語境可知本句描述的是現(xiàn)在正在進(jìn)行的動作,故用現(xiàn)在進(jìn)行時(shí)態(tài)。選B。
考點(diǎn):考查動詞的時(shí)態(tài)。

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