Question

--- _______ do you water the flowers?

--- Once a week. These flowers don’t need much water.

A. How much B. How long

C. How often D. How soon

Answer 1

C

【解析】

试题分析：句意：--你多长时间浇一次花？--一周一次。这些花不需要很多水。How long多长时间；How soon多久以后；How often多久一次；How much多少钱。How many多少。How far多远。结合句意，故选C

考点：考查疑问词的用法。