I've looked for my pen [ ].but I can't find it [ ].

I've looked for my pen everywhere,but I find it.A．couldn't B I looked for my pen ,but I couldn’t find it __(somewhere) i looked for my lost cat___,but i can't find it i looked for my little dog e_____,but i can't find it a_____ I looked for my pen e___ ,but I did'nt find it i looked for my pen here and there but i did not find it () I looked for my pen ___ but didn't find it __(where) 用所给单词的正 I've looked e___in my room,but I can't find the map I looked for my dog () ,but I can't find it为什么要选everywhere而不 I'm ___ my pen,but I can't ___ it.A.look for,find B.looking I have looked for the book e_ ,but I can't find it 根据首字母填空：I looked for my cat e________,but I didn't find it.