who has taken it、Will you help him with english tomorrow?变被动语态,求快

It has taken while i left my pen on the dask and now it isgone ,who has taken为什用has taken 不用had taken who has taken it、Will you help him with english tomorrow?变被动语态,求快 Who my dictionary?I don’t know.It on your desk just now.Who my dictionary?I don’t know.It on your desk just now.A took had beenB has taken ,wasC has taken ,has beenD took was He wil stop showing off if no notice--------of him.A)is taken B)will be taken C)takes D)has taken说明原因,不好意思, who do you think has taken it还是who do you think took it?为什么,意思就是谁拿了这个东西 -I left my miniradio on the desk just now,but now it’s gone,but now it's gone.-Who do you think __it.A.having taken B.to have taken C.has taken D.took who's the little boy in the old photo It's me.The photo ____ten years ago in Jiangxin Islaand.A.took B.was taken C.is taken D.has taken 改病句：please find who has taken away my pen please help me ____ who has taken away my newspaper. The money has disappeared.Who could have taken 根据选项填空:went,gone,has gone;has taken,had taken,took I left my pen on the desk and now it is _;who _it?请给出解题详情. I left my .I left my new textbook on the desk near the window ,but now it’s gone ----Who do you think it?A.to have taken B.has takenC.tookD.havinging taken为什么不能用过去时 My Enlish-Chinese dictionary has disappeared,who ---have taken it?我觉得应该填can或could疑问句中表推测吧 My dictionary is missing.Please _____ who has taken it away.A.look fo B.find C.look out D.find out You haven`t taken the medicine.It __before dinner.A should have been taken B is taken C has been taken D should have taken What has to be taken before you get it?翻译 It has taken several months to get there.