UFOs are supposed to be sent to___with the human beings.
问题描述：
UFOs are supposed to be sent to___with the human beings.
A.communicate B.speak C.contact D.touch
说明理由
答
communicate with sb.与某人交流
speak to sb.与某人说话
contact with sb.与某人有联系
touch sb.与某人有接触
根据意思,再根据搭配,所以答案C
翻译：UFOs被认为是被送来与人类接触的.