I 've know him since he came here.(对划线部分提问since he came here为划线部分）

I 've know him since he came here.(对划线部分提问since he came here为划线部分） I ___(know) him since he ___(is)a child ----------------you----------------(know)him since then I've known him （since he came him）.(对括号部分提问） （ ）（ ）（ ）you known him? You need't tell me more cbout him,I ____(know)him since ten years ago . I've been trying to get in c______ with him since he left China. i know her husband.i've met him at Mr____(Green)学太久,忘了, i have know him since i have been here.为什么不成立 He seemed ( friend)at first ,but now I've got to know him and Irealize 有个小错I HAVE GOT TO KNOW HIM SINCE HE CAME HERE.( )改成( ) never give up____(努力)whenever you've in troublecan your brother make model airplanes?-yes ,this week he _____(make) a now modeli dont know when the sports meeting______(hold).if i know ,i'll tell youi havent met him since graduate from school .ho I've been studying English since 12. 1.Tony h__ learnt some Putonghua since we stayed at his home.2.--Have you ever learnt Cantonese brfore?--NO,N__3.hAVE YOU SEEN THE DRAGON BOAT RACE.I know the man.I've a__ met him before.3.hAVE YOU SEEN THE DRAGON BOAT RACE y__?No,not y__ 一个单选I've-----him but I don't know him A.heard about B.learned C.heard from D.heard I don't have to introduce him to you__you know the boy A until B unless C since D but I've never heard of him before. I’sure that they will know （ ）I’ve finished it.A.because B.before C.since D.when这是一道选择题. I don't know him.