He happened to see two boys playing football when he was driving his car _____ a street.答案只说along、down,能不能填on?

he ____ by his sister at that moment.A.happened to see B.was happened to see C.was happened to be seen D.happened to be seen He — by his sister at that moment.A. happened to see B. was happeded to see C. was happened to be seen D. happened to be seen I don’t know what ___ last night.用he happened 还是happened to him 为什么 I still don't know what____to him.He ought to come now.(回答时告诉我为什么 A.had happened B.was happened C.has happened D.happened he walk over to see what happened...什么时候用what is happen 什么时候用what happen they don't know what ————yesterdayA.did he happen B.he happened C.happened to him D. was happened to him they don't know what ————yesterdayA.did he happen B.he happened C.happened to him D.was happened to him He told his students to ( ) what happened to the boys,A searchB find out C look for D see Did you see the game?NO I didn't I ____visit my grandparents at that timeA happened to B was happen C happen to D happened he doesn't seem to know what happened last night这个句子是否正确?还应该是he didnt seem to know what happened last night?请说明原因 He can’t see. He can't m- what happened yesterday. ---what happened to the postman?---i don't know.we_him around here.A.haven't seenB.aren't seeingC.don't seeD.didn't see. 1.He went out to see( )had happened.3.( )everybody is here,let's begin the metting,6.It is two years( )he left America.7.( )he had breakfast,he went to his factory.8.( )it doesn't rain tomorrow.We'll have a picnic. 这些英语句子怎么转换把这些句子转换为间接引语Don't speak loudy he said to us.Follow me to see what happened she said to them.Does your sister like music he asked her.Will the students visiten to music she said to me. 三个短句,请改错,谢谢1、his view has presented that some people to discuss2、i haven't see her state to bad from normal3、i can't just to believe this matter was happened to he第一句我写错了his view has caused that some people to di --I haven't seen Mike for some time,what---to him?--He's got crazy and has ---hospitalA,should have happened,come inB,can have happened,ended inC,could have happened,come inD,must have happened,likely选哪个?为什么? 1 I insisted__to see a doctor,but he insisted nothing__wrong with him.A on him to go;should be B he went;be C he go;was D he should go;is3 Eliza remembers everything exactly as if it__yesterdayA was happening B happens C has happened D happened4 In t