将下面的句子转化成被动语态In the Soviet Union a state commision organises a search for extraterrestrial intelligence,and it has just completed one program.

将下面的句子转化成被动语态In the Soviet Union a state commision organises a search for extraterrestrial intelligence,and it has just completed one program.
将下面的句子转化成被动语态
In the Soviet Union a state commision organises a search for extraterrestrial intelligence,and it has just completed one program.

将下面的句子转化成被动语态In the Soviet Union a state commision organises a search for extraterrestrial intelligence,and it has just completed one program.
A search for extraterrestrial intelligence is organised by a state commision in the Soviet Union which has just completed one program.