Instead of sending e-mail, Nancy talks with her mother on mobile phone once a week.
A. the; a
B. an; the
C. an; /
D. the; an
网友回答
A. the; a
(答案→)B. an; the
C. an; /
D. the; an
解析：考查冠词。an e-mail一份电子邮件，on the mobile phone用手机。句意：而不是发电子邮件，南希一个星期用电话跟她母亲交谈一次。