高中英语选择,The Earth's most critically endangered animals and plants _ very rapidly in theThe Earth's most critically endangered animals and plants _ very rapidly in the last ten years.A.have been disappeaeing B.had disappeared

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高中英语选择,The Earth's most critically endangered animals and plants _ very rapidly in theThe Earth's most critically endangered animals and plants _ very rapidly in the last ten years.A.have been disappeaeing B.had disappeared
高中英语选择,The Earth's most critically endangered animals and plants _ very rapidly in the
The Earth's most critically endangered animals and plants _ very rapidly in the last ten years.
A.have been disappeaeing B.had disappeared

高中英语选择,The Earth's most critically endangered animals and plants _ very rapidly in theThe Earth's most critically endangered animals and plants _ very rapidly in the last ten years.A.have been disappeaeing B.had disappeared
A 过去的十年 地球上濒临动植物消失了
过去的动作持续到现在 对现在有影响 所以用现在完成进行时
所以选择A
B是过去完成时态 过去的过去 句子中没有体现出来
希望能够帮到楼主

高中英语选择,The Earth's most critically endangered animals and plants _ very rapidly in theThe Earth's most critically endangered animals and plants _ very rapidly in the last ten years.A.have been disappeaeing B.had disappeared _receives only a small portion of the total amount of the sun's energy 英语选择A.The earth's surface B.The surface earth C.The surface of earth D.The earth surface The earth travels around the s------. 高中英语选择, 高中英语?选择 高中英语选择 we must s( ) the earth首字母填空 高中英语的完成句子-In space the astronauts will have to face the circumstances_on the earth . l’m feeling under the earth 高中英语必修3 unit4 the oceans and seas完整句:the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas.the oceans and seas.两次都是不可数,为什么还加S? 英语翻译原文:Mars is the fourth planet from the sun and it's the most like the Earth,but it's much __ than the Earth because it's farther from the Sun.(横线上是让选择填空的,我看不懂句子意思,求帮忙〜) 一道高中英语的单项选择.It's said that the food firm mades eggs illegally( ) man-made materials.A using B to useC used D use Ley's bu friend of the Earth作文 Water _________ about seventy persent of the earth,s surface The Boy's Gone (Live On Earth Version) 歌词 The Earth isn't a star.It's a p______ as throng a pull as the earth's Man must stop _______ the earth’s atmosphere