高等继续教育 / 英语语法
正确率：100%
题型描述: 单选题
People have always been curious ＿＿＿＿ how living things on the earth exactly began.
A.in
B.about
C.of
D.at
People have always been curious ＿＿＿＿ how living things on the earth exactly began.
A.in
B.about
C.of
D.at
参考答案：
佳题速递：