第四章 单元测试
1、
1、There is always a great demand for your goods if they are of good quality and competitive ( ) prices.
- at B.in C. of D. under
A:of
B:in
C:under
D:at
答案: in
2、
2、 It will be ( ) if you will send us samples by airmail.
- appreciate it B. appreciate C. appreciate 点我阅读全文