注意：此页面搜索的是所有试题
题目内容
（国家开放大学商务英语3）
According to law, taxable services refer to transportation, ________, finance, insurance and the like.
选择一项：
A.
instruction
B.
construction
C.
introduction
选择一项：
A.
instruction
B.
construction
C.
introduction
参考答案