it was __(until/ when) he was 11 that his talent for writing became obvious.选哪个答案对呢?为什么?如果用not until

It was in the factory_____my father worked.答案是whe... It was not long until ... it was __(until/ when) he was 11 that his talent for writing became obvious.选哪个答案对呢?为什么?如果用not until not ...until it was not until Not until句型转化 帮我写三组句子 30分 先送上not ...until it was not until Not until 1.it is about 600 years ago __ the frist clock was made.(that until when since)2.it was eight'clock ___ he came to school.it was at eight ___ he came to school.(that before since when ) it was not until when...与it was not until that...区别,强调句型用哪个. it was not until.did.和it was not until .that.这两个有什么区别 it was not until 和 it was until 的区别,请详细一点. 请问是it was not until 1990s还是It was not until the 1990s __ was not __ she took off her dark glasses__ i recognised her.A.it,when,before B.it,until,that C.that,after,that D.This,when,after我还是似懂非懂啊.强调句一定不倒装吗? It was __(terrible) hot yesterday. 1.变为被动语态（1）He gave me a book.I __ __ a book.The book __ __ to me.（2）Someone heard Lucy play the flute just now.Lucy was __ __ __ the flute just now.（3）They saw her get on a bus.She was __ __ __on a bus.2.词形转换（1）Whe it is not until that 和it was not until that it was not until yeasterday to have we knew it.为何until不能换为till? she thought it was strange否定句 she __ __ it __ strange求火速 it was not until--------------that/when 的区别如题 It was not until midnight did he come back. the teacher worked hard until it was dark ,