It was not until 1920 _____ regular radio broadcasts began.
No sooner had I got home _____ it began to rain.
Not until I shouted at the top of my voice_____his head.
The young man worked very hard and soon began to _________.
It was not until dark_________ it was time to return home．
It was not until 1920 ____ regular radio broadcast began.
Until a firm agreement has been reached, I am not _________ to accepting the offer.
听力原文：W: I want to go to the concert tonight, but it starts at ？ ,and I have to work until 5. There won't be enough time to go home for dinner.
Juliet is not at work. She is taking a______until the end of this week.
听力原文：W: The washing machine is more than 7 years old, and it worked just fine until last night. Now, I can't get it to work.
The young man was not found to be illiterate until______.
With the work (do) ______, these scientists began to plan another research project. 用括号中所给词的正确形式填空
_____ I was studying there, I began to learn skiing.（)
Abraham Lincoln was raised to farm work, ______ he continued until he was twenty-two.
_____ I was studying there, I began to learn skiing.（)A、whenever
Not until I began to work ______ how much time I had wasted.
Not until Saturday afternoon______arrange for me to see Mr. Simpson.
It is not until 1768 when______first claimed possession of the eastern part of Australia for his country that the continent began to be explored by Europeans.
Not until quite recently_____he gave up his plan to go abroad.
Last night I did not: get my homework______until midnight.
Elizabethan women writers began to write novel articles NOT because______.
Not until then, had I heard______of what happened.
Juliet is not at work. She is taking a_____until the end of this week.
"Where can I find Jim？" "He is ______ his work. He won' t leave the lab until 6:00 p. m."
