Question

一道英语题. 不仅要答案还要答案解析。

------，I lost heart in English learning,but my teacher often said to me,"Keep on working hard and you'll succeed ------.
A. At a time , in general B. At a time , in advance
C. At one time , in time C. At one time , on time

Answer 1

at a time 依次,逐一,每次.
at one time一度,从前.
in general 一般的，大概
in advanced 预先
in time 及时，迟早的意思
on time 按时
所以答案是 C
从前我学英语失去信心了。。。努力学习迟早会成功的。