问题
单项选择题
When yon（）an agent，it is usual to（）the appointment in writing.
A.appoint，make
B.want，make
C.need，make
D.need，do
答案
参考答案：A
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When yon（）an agent，it is usual to（）the appointment in writing.
A.appoint，make
B.want，make
C.need，make
D.need，do
参考答案：A