题目

题型：不详难度：来源：

------ I wonder ______ you’ll water this kind of tree.
------- Once a week.

A．how often

B．how long

C．how soon

D．how much

答案

A

解析

疑问词辨析。how often多久一次；how long多长；how soon多久；how much多少钱。根据下文once a week一周一次，可知上文提问频率，故选A。