----How often does he write e-mails to his friend?& Wap版

试题详情及答案解析

----How often does he write e-mails to his friend? ----____________.

A．Once a month	B．In a week
C．For ten minutes	D．Last Monday.

答案：A

试题分析：句意:他多长时间给他的朋友写一次电子邮件？一月一次。How often多久一次，提问频率的，据句意故选A。
考点：考查介词短语。