单项选择题

Government reports, examination compositions, legal documents and most business letters are the main situations ______ formal language is used.

A．in which
B．at what
C．on which
D．in that
<上一题 目录 下一题>
热门 试题

单项选择题
Connie was told that if she worked too hard, her health would ______
A．decay
B．deteriorate
C．descend
D．degrade
单项选择题
With the development in science and technology man can make various flowers ______ before their time.
A．be bloomed
B．bloom
C．bloomed
D．blooming
相关试题