选D ordinary 普通人 A 是通常的 例 We will continue to do that in the usual way. B 是正常的 例 though the temperature increases fast,it is still in the normal range C 是常见的 例 preganancy before marriage becomes common now.
选D ordinary 普通人 A 是通常的 例 We will continue to do that in the usual way. B 是正常的 例 though the temperature increases fast, it is still in the normal range C 是常见的 例 preganancy before marriage becomes common now.