Question

Do not let any failures discourage you, for you can never tell ________ close you may be to victory.

A．how

B．that

C．which

D．where

Answer 1

A

句意：别为任何失败泄气，你永远无法知道你离能胜利胜利有多近。修饰副词close，用副词how.
【考点定位】考查副词how的用法。