He had worked out the problem when Jim called him_______________________划线部分提问He showed us the picture.Then he showed us around the house.（由过去完成时合并为一句）

He had no difficulty working out the problems.把 working out 换成 to have worked out行吗? he worked out math proble____(success) While_______money,he had worked very long hours He said that he had worked all day yesterday.had worked 我用的对吗? he worked hard,so he worked out of the difficlt problems.同义句 He said he ( ) in that factroy since 1949.A.has worked B.had worked C.worked D.was working He hasn't worked out the maths problem at he has worked out the problem.的被动形式 He had worked in this school ___ the war broke out,but___ he had to leave the school.A long before；long beforB before long；before longC long before；before longD before long；long before He made it in the end.but he didn't explain to us what great difficulty he had had _______ theproblem.A. working out B.to work out C.work out D worked out.答案是A,我选的是D,为什么,写出理由 He said ______for the firm for over ten yearsA.has worked B.had worked 初二英语寒假作业(选择和填空题)1.When did they move_____the old city?A.out of B.out of from C.onto D.out from2.Uncle Wang _______hard,and he never cares how much he is paid.A.is always working B.always worked C.had always worked D.will a He had worked out the problem when Jim called him_______________________划线部分提问He showed us the picture.Then he showed us around the house.（由过去完成时合并为一句） How long has he worked in the radio studio? Can you tell me.合并成宾语从句是he had worked 还是he has worked说明一下理由 she had no difficulty _ the problem.A.worked out B.working out C.to work out D.to have worked outshe had no difficulty ___ the problem.A.worked out B.working out C.to work out D.to have worked out 为什么选B 分析句子是主系表、主动宾、主动、主动间接直接宾、主动宾宾补1.I had worked.2.He had cleaned the room before he went out.3.we had scarcely gathered in the grain when it began to rain.4.By the end of last month.5.The film had ----Have you worked out the troublesome problem yet __Yes .I ____________it out with the help of my wife after dinner .A.have worked B.worked C.had worked D.am working if he had worked harder,he would have succeeded,这里为什么要用would have succeded?