单选题
4.
Government reports, examination compositions, legal documents and most business letters are the main situations______formal language is used.
A、
in which
B、
on which
C、
at what
D、
in that
【正确答案】
A
【答案解析】
situation通常与介词in搭配使用，关系代词which代替先行词situation，故A与本题相符。
提交答案
关闭