will have reached
前面的by 2050表將來時(shí)態(tài),這里應(yīng)該用將來完成時(shí),意思是到2050年,許多城市的工業(yè)污染程度將會(huì)達(dá)到危險(xiǎn)的程度
By 2050 the level of industrial pollution __________ dangerous levels in many cities.
By 2050 the level of industrial pollution __________ dangerous levels in many cities.
will have reach
will has reached
will have reached
will reach
will have reach
will has reached
will have reached
will reach
英語人氣：703 ℃時(shí)間：2020-05-21 17:28:12
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