i've looked for it here and there

i've looked for it here and there He looked for it here and there. i looked for my pen here and there but i did not find it () We looked for the boy here and there,and f____we found him i my dictionary _,i ve looked for it for a long time ,but stil I've looked for my pen everywhere,but I find it.A．couldn't B I’ve been here for three weeks now,and _____ I’ve enjoyed my Then he sat there and looked at it for three hours (1) I looked for my pen everywhere ,and f______ I found it i she went and looked for it physically. i sat there and looked at my papers for two hours I’ve lived here for twenty years.