问题
选择题
-How often does he write emails to his friend?-______.
A．Once a month
B．In a week
C．For half an hour
D．Last Monday
答案
答案：A
本题问句问的是频率，一月一次表示的是频率，故本题选A。
搜题请搜索小程序“爱下问搜题”
-How often does he write emails to his friend?-______.
A．Once a month
B．In a week
C．For half an hour
D．Last Monday
答案：A
本题问句问的是频率，一月一次表示的是频率，故本题选A。