Professional skills come only with practice, patience, and________.
A、ineptness
B、promptness
C、invigoration
D、perseverance
【正确答案】：D
【名师解析】:Professional skills, or expertise in a particular field, are typically acquired through a combination of deliberate practice, patience, and the quality of not giving up easily, which is known as perseverance. The other options provided do not fit the context of the sentence as well as perseverance does. Ineptness (A) implies a lack of skill or competence, which is the opposite of what is being discussed. Promptness (B) refers to being quick or punctual, which is not directly related to the development of professional skills. Invigoration (C) means to make something or someone more lively or energetic, which also does not directly relate to the acquisition of skills. Therefore, the correct answer is perseverance (D), which aligns with the idea that consistent effort and determination are essential for mastering professional skills.
