问题补充:
, I lost heart in English learning, but my teacher often said to me, “Keep on working hard; you’ll succeed .”
A. At a time; in time
B. At a time; on time
C. At one time; in time
D. At one time; on time
答案:
A. At a time; in time
B. At a time; on time
(答案→)C. At one time; in time
D. At one time; on time
解析:考查词组:at a time一次,at one time曾经,一度,in time及时,迟早,on time准时,句意:我曾经对英语学习灰心,但老师经常和我说:一直努力,你迟早会成功的。选C。