Did he know when and where we were meeting?是什么句型?

Did he know when and where we were meeting?是什么句型? Well ____ know him and well ______ know me.A. I did; he did B. did I; he did C. did I; did he D. I did; did he 选哪个,为什么?请翻译一下. did he know what had happened during the two months when he was away. only when he got ill ( )the value of healthA.he knewB.did he knowC.he knowsD.does he know well did i know him and well did i know me这个句子正确吗?这是一道选择题：Well_____ know him and well ______know me.A.I did; he did B.did I ; did he I didn‘t know the answer and( ).A.so did he B.he did,either C.nor did he D.neither he did 请问这里为什么要用倒装well did I know him and well did he know me 有两处错误!有两处错误he did't know it when he saw the sea .he got off at the next station＼ and had to wait long time for a train 把句子合并成宾语从句When did he leave here?Do you know? when did he leave here do you know?合并成宾语从句怎么改 when did he move to another city ?do you know?（合并为一句 I don't know .when did he go there yesterday?合并为一句 He did not know what he could expect when he volunteered for the Olympics(改为简单句) 1. I don’t know when ______ the dictionary.. A. did he know B. he borrowed C. he borrows D. does he borrow When and where did you get to know him?怎么回答 When and where did you get to know your best friend?意思 When did he graduate( )college He ------- Beijing .I don't know when he did it.A has gone to B has been to选哪个