The only way to conquer a fear is to face it, and doing so as frequently as possible.

【参考答案】

doing应改为to do[解析] 此题考查and连接的并列结构。整个句子是不定式结构作表语，因此and前后均应为动词不......

(↓↓↓ 点击下方‘点击查看答案’看完整答案 ↓↓↓)