Who ___(pick) up rubbish just now?

Who ___(pick) up rubbish just now? 可以说pick them who……up吗? pick up pick up pick up There is something on the floor.Please ___. A.pick up it B.pick up them C.puck it up D.pick them up Whose knife is on the floor?Please pick it up.whose换成Who's行吗pick it up换成pick up it行吗?为什么？ pick out;pick up;pick over区别 the angry teacher made the boys ___ all the broken glass .a.to pick up b.picking up c.pick up d.picked up写出原因! pick them up还是 pick up them pick up him还是pick him up pick out,pick up,pick at,pick on区别? pick at pick from pick up pick out Who dropped the chalk on the ground?Please Pick （）up A :it B:them who do you think will pick up the children的意思 pick sb up They pick up rubbish. pick up的翻译