单项选择题

In general, about_____ of complaints cannot be investigated.

A．10 per cent
B．20 per cent
C．25 per cent
D．30 per cent
<上一题 目录 下一题>
热门 试题

单项选择题
Which of the following is the closest to the record number of consumer complaints
A．2,000.
B．4,000.
C．5,000.
D．7,000.
单项选择题
What is the conversation mainly about
A．An exhibition on some famous people.
B．A course on photography the woman is taking.
C．An exhibition of a famous art historian's works.
D．An exhibition of a great photographer's works.
相关试题