表示关心 是用 concern 还是 concern about
问题描述：
表示关心 是用 concern 还是 concern about
What my parents _______ most is whether i can pass the examination or not.
是concern 还是 concern about
求解答 谢谢
答
这里应该用concern,
concern about后面直接跟名词.She expressed her deep concern about conditions at the factory.