We need to make sure what topics are proper ones to talk () in different cultures.

科目名称：人文英语1

试卷号：23896

题型：词汇与结构(单选题)

题目：We need to make sure what topics are proper ones to talk () in different cultures.

选项：A.to B.about C.that

需要1积分查看

答案：B.about