They had succeeded _______ the task in time.Aat completing Bto complete Cin completing Dcomplete

英语翻译1-they experiment was a success.2-they experiment had succeeded.3-they experiment succeeded.不好意思代词打错了。1-their experiment was a success....2-their experiment had succeeded....3-their experiment succeeded....补充下， They had a great time there.=They _ _ there.=They _ _ there They had succeeded _______ the task in time.Aat completing Bto complete Cin completing Dcomplete They had succeeded _______ the task in timeA.at completingB.to completeC.in completing D.complete GSC said that they had to try 80 times ___ they succeeded.应该填until还是 before They succeeded finally.(同义句)）（?）they succeeded. They succeeded finally同义句（ ） （ ）（ ） they succeeded They succeeded finally（改为否定句）-------- -------- --------they succeeded. They succeeded finally(同意句) He __ in achieving his aim at last.A.was been succeeded B.was succeeded C.succeededD.had been succeeded Had they known what was coming next,they _ second thoughts答案是might have had.为什么不能用 must have had 猜测他们一定会 It was only after many tries that they finally succeeded They haven’t succeeded _____ working out the problem They sat down _ a big tree and had a chat just now. They had _____/____ /_____ (in) _ the difficult math problems(解决这道题有困难) 简单的非谓语练习题用动词的非谓语形式改写句子1,as soon as i arrived home ,i found they had left on _ _,i found that they had left2,would you mind if i lend this book to tom first?would you mind _ _ _ _ _ _ 3,the large building wh _ than they started to work.A.No sooner they had got to the plant B.No sooner had they got to the（ ）than they started to work.A.No sooner they had got t the plant B.No sooner had they got to the plant C.As soon as they had got to the plant 英语翻译They ___ ___ a model plane.At last they succeeded.