Sam picked up some knoeledge of the computer just by eatching others working on it 这里为什么要选D选项有：A:brought up B:looked up C:set up D:picked upSam picked up some knoeledge of the computer just by watching others working on it 这

Sam picked up some knoeledge of the computer just by watching others working on it 这里为什么要选D选项有：A:brought up B:looked up C:set up D:picked up Sam picked up some knoeledge of the computer just by eatching others working on it 这里为什么要选D选项有：A:brought up B:looked up C:set up D:picked upSam picked up some knoeledge of the computer just by watching others working on it 这 picked up 用 for,picked,we,books,up,teacher,some,our造句 there are some pieces of paper on the floor.Janet ____ A picked it up B picked them up He saw some litter on the ground and _______ A.picked it up B.picked them up pick up / picked ears picked up是什么意思? gold,in ,up,pockets,it,and,picked,his,put,the,some,man,连词成句 She's living with some man she picked up on holiday. The director had her assistant______ some hot dogs for the meeting.A.picked up B.picks up C 为什么是picked it up,而不是picked up it picked it up 如题 The director had her assistant ___ some hot dogs for the meeting.A.picked up B.picks up C.pick up D.picking up为什么? While __________ in London,the young engineer picked up some English.A：staying B：stay C：stayed D：to stay the derector had her assistant [pick] up some hot dogs fot the meeting为什么不能用[picked] [picks] 为什么:They picked up some rocks and put (them)in the spacesship,为什么要用them呢? The director had her assistant ( ) some hot dogs for the meeting.A.picked up B.picks up C.pick upD.picking up