Question

【题目】Computers are so popular in our country that every pupil knows _____ e-mails.

A. how can he send

B. how does he send

C. how to send

D. how sending

Answer 1

【答案】C

【解析】

试题分析：句意：电脑在我国如此流行以至于每个学生都知道怎么发送邮件。Know可以直接加宾语/加宾语从句（陈述语序）/加wh- to do。选出正确答案C。