.We began to realize that studying was the most important part of students’ d------ lives-----处给出了开头字d,该填什么

i began to realize,more deeply than anyone has yet stated how changeable and how insubstantialthis solid-looking body is in which we walk.接着上面的. .We began to realize that studying was the most important part of students’ d------ lives-----处给出了开头字d,该填什么 when we began to have the internet? we began to plant trees ________ ourselves Only to lose before we realize our value not until i began to work （）　how much time i had wasted.A didn t i realize B did i realize C i didn t realize D I realize 这里各个选项详解 Not until I began to work ________ how much time I had wasted.A.didn't I realize B.did I realize C.I didn't realize D.I realize Not until i began to work did i realize how much time i had wasted.部分倒装.怎么倒装? I didn't realize how much time I had wasted until I began to work的倒装句 We 什么 football when it began to rain. We began to learn English two years ago.(Tom says) We _____(play) games when it began to rain. we began to learn english three years ago 同义句____ ____ _____ ____ since we began to learn english. As we grow up,we realize it becomes less important to have a lots of friend As we grow up,we realize it becomes less important to have a tons of friends, We should study hard to realize our dream为什么不能用to come true 21.Not until I began to work __________how much time I had wasted.A.didn21.Not until I began to work __________how much time I had wasted.A.didn’t I realize B.did I realize C.I didn’t realize D.I realized这里为什么要选B 不选A? We _____ football when it began to rain.We had to stop and go home.(play)