He landed on the earth 5 months ago.改为同义句 It
网友回答
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
======以下答案可供参考======
供参考答案1:
took him had landed
供参考答案2:
has been ,has landed
供参考答案3:
It has been 5 months since he landed on the earth.
供参考答案4:
It was before后面是was land，主动该被动而已