Categories World Affair After United States, which country has successfully landed a robot on the surface of Mars on 15 May 2021? Post author By esimpk Post date June 14, 2021 No Comments on After United States, which country has successfully landed a robot on the surface of Mars on 15 May 2021? (A) China (B) Russia (C) Germany (D) France ← Who is considered one of the great investors in the world? → Which famous couple has divorced recently? Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.