he kept-_ (think) about the problem until midnight

he kept-_ (think) about the problem until midnight think about math problem It is not until midnight that he finished the report.为什么不填wh A:---you-------(think) about the problem?B：Not yet. he was not until midnight that he stoped working 初一英语题1.The baby kept on crying until he saw his mother.(保持语意 In the years____ ,Marx kept on using English until he could 初中英语_ the midnight he waited for his mother. A. Till B. Sinc the telephone kept rang until I answered It was not until midnight did he come back. it was not until midnight that he went The noise of the street didn’t stop until midnight