题目内容
--- ____ does her brother improve his English?
--- He improves it____ asking the teacher for help.
A. How; by B. What ; with C. Why; by
--- He improves it____ asking the teacher for help.
A. How; by B. What ; with C. Why; by
A
how怎样一般提问方式方法等，what什么，一般对具体物品进行提问，why为什么，一般提问原因，by表示通过某种方式，with多表示伴随的状况，用某种工具等。根据题意，应是问他的兄弟怎样提高英语，下面是通过什么方式，所以想选A.
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