问题
选择题
---________ do you water these flowers? --- Once a week.
A．How soon
B．How often
C．How long
D．How much
答案
答案：B
根据答语内容- Once a week.，可知问句的特殊疑问词how often，故选B
故用B
搜题请搜索小程序“爱下问搜题”
---________ do you water these flowers? --- Once a week.
A．How soon
B．How often
C．How long
D．How much
答案：B
根据答语内容- Once a week.，可知问句的特殊疑问词how often，故选B
故用B