look, watch， seek, everyone, each， all He tried to________ suppo

look, watch， seek, everyone, each， all He tried to________ support from his friends. However,________ turned their backs on him.
【正确答案】：seek, all
【题目解析】：此句意思是他试图从他朋友那里寻求帮助。但是所有人都置他于不顾。寻求帮助用seek support，第二空后面有their可判断主语为复数all。