运用频度表达描述习惯 — 英语选择题
题目
Sam plays basketball three days a week. But he never plays on Monday and Friday. 按本题约定：每周做5—7天用 always，3—4天用 often，1—2天用 sometimes，0天用 never。Which word describes Sam's habit? A. always B. often C. sometimes D. never