Communications satellites have ----international live transm
1个回答

如果楼主的句子没有打错的话,四个选项都错.

Communications satellites have made international live transmission of important events possible 才是正确的表达,这是“make +宾语+宾语补足语(possible)”句型;

或者Communications satellites have made it possible to perform a internation live transmission of important events 也是对的.这是“make it possible to do sth”句型,it做形式宾语,真正的宾语是不定式to do.