問題詳情
33. What is this passage mainly about?
(A) The slave problems in colonial America
(B) The sources of workers in colonial America
(C) Overabundance of laborers in colonial America
(D) Excessive government interference in colonial America
參考答案
答案：B
統計：A:1,B:1,C:0,D:0,E:0
難度：計算中