Question

【题目】Tommy goes on a picnic with his family a week.

A. one B. once C. once time D. first

Answer 1

【答案】B

【解析】

句意：Tommy每周和家人去野餐一次。考查频度副词。A. one基数词，一、一个；B. once频度副词，一次；C. once time表示错误；D. first序数词，第一。根据题干Tommy goes on a picnic with his family a week.结合选项，可知句意为“Tommy每周和家人去野餐一次。” once“一次”，表示频率，once a week“一周一次”；故答案选B。