He landed on the earth 5 months ago.改为同义句 It____ ____5 months since he ____ ____ on the earthHe landed on the earth 5 months ago.改为同义句 It____ ____5 months since he ____ ____ on the earth.要分析.
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He landed on the earth 5 months ago.改为同义句 It____ ____5 months since he ____ ____ on the earthHe landed on the earth 5 months ago.改为同义句 It____ ____5 months since he ____ ____ on the earth.要分析.
He landed on the earth 5 months ago.改为同义句 It____ ____5 months since he ____ ____ on the earth
He landed on the earth 5 months ago.改为同义句
It____ ____5 months since he ____ ____ on the earth.
要分析.
He landed on the earth 5 months ago.改为同义句 It____ ____5 months since he ____ ____ on the earthHe landed on the earth 5 months ago.改为同义句 It____ ____5 months since he ____ ____ on the earth.要分析.
It_has___ _been___5 months since he __landed__ ____ on the earth
it is/has been +段时间+since+过去式的句子
如果帮到你,请记得采纳,O(∩_∩)O谢谢
took him had landed
has been ,has landed
It has been 5 months since he landed on the earth.
It was before后面是was land,主动该被动而已