53.It was not until you had explained it to me that I unders
It was not until you told me that I had any idea of it
I didn't manage to do it ____ you had explained how.A until
i did not realize my mistake until he explained it to me改成倒装
i did not understand the problem until he had explained it.我
i did not understood the problem until he had explained it这句
i did not understood the problem until he had explained it.
It was not until I got home ____ I found that I had left my
It was not until he got to an ATM that it occurred to me tha
It was not until I had finished all my homework that I went
It was not until I had read your letter that I understood th
it was not until i had read your letter that i know the trut
It was not until years later that I was able to fully apprec