One must have studied hard before one could succeed in mastering a foreign language.
A.之前一个人必须努力学习,他才能掌握一门外语。 B.谁肯下苦功夫,谁就能精通外语。 C.必须勤学苦练,才能精通一门外语。正确答案C
One must have studied hard before one could succeed in mastering a foreign language.
A.之前一个人必须努力学习,他才能掌握一门外语。 B.谁肯下苦功夫,谁就能精通外语。 C.必须勤学苦练,才能精通一门外语。正确答案C