hosting, host, hosts; a, one, theApart from the______, I didn't

hosting, host, hosts; a, one, the
Apart from the______, I didn't know ______ single person there.
【正确答案】：host /a
【题目解析】：考查Conversion（转化法）。Host名词，主人，东道主；动词，主办，主持，做东。