单选题 (Neither) rain (nor) sleet nor snow (keep) the mailman from his (appointed) rounds.
  • A. Neither
  • B. nor
  • C. keep
  • D. appointed


【正确答案】 C
【答案解析】[分析] neither...nor连接并列主语时，主谓一致采用就近的原则，即离谓语最近的主语的单复数形式决定谓语的单复数。改“keep”为“keeps”。