填空题

While marking the line might be helpful for beginning readers, it is certainly necessary for normal readers.

【参考答案】

N
<上一题 目录 下一题>
热门 试题

问答题
有人认为买二手书好；2. 有人认为买二手书不好； 3. 我的看法。On Buying Second-hand Textbooks
单项选择题
The most expensive medium for advertisers is ______.
A．newspaper
B．radio
C．TV
D．direct mail
相关试题