He had to be fast to catch the bus.He had to run_________________________________________________.让第二句和第一句的意思相同

He had to be fast to catch the bus.He had to run_________________________________________________.让第二句和第一句的意思相同 He had to run fast ( ) catch up with the bus. He is going to go swimming对不对?为什么这样说?能说He is going to swim be fast!快 Pheidippides ran as fast as he ( )to Athens.A.can B.could C.possible D.be able to 英文what　had　he　done是什么意思?what　had　he　done,in order to be able to see her .中的what　had　he　done　是什么用法啊? he used to run fast.used to 是什么词性,成分? He spoke so fast that we could hardly understand him.把这句子改下,用too.to.结构怎么说.我这样改，He spoke too fast to to be understood.有两个to。 To his disappointment,the opinion he had insisted on turning out to be wrong什么地方错 At last,he had to admit ___some mistakes.1.to make2.having made3.to be making4.to have made为什么 had to be hard for 选哪个?He became a doctor,__(which/who)he had always intended to be. if he knew this ,it would have had to be by accident句子成分it would have had to be其中have had是怎么回事? Before he came to London,he had never heard a single English word ____.A.speakingB.spokenC.to be spoken if he had help you ,he would have risked( ) his joba,to loseb,losingc,to be lostd,being lost He hurried to the hotel.only____his parents had left.A.to tellB.to be toldC.tellingD.told为什么选择B? had to be built为啥加had?site had to be found for it andpedestal had to be built.had是做什么的?是had还是had to Had he gone to the doctor right away,he might be alive now.为什么后面要用might be alive? last night he had to () ()（）　because he had () () ()