— _____ should we clean the library? — Twice a week. [ ]A. How many B. How much C. How longD. How of

题目简介

— _____ should we clean the library? — Twice a week. [ ]A. How many B. How much C. How longD. How of

题目详情

— _____ should we clean the library?
— Twice a week.

A. How many
B. How much
C. How long
D. How often
题型:单选题难度:偏易来源:广西自治区期中题

答案

D

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