I can't find Yao Fang.He must be ( ) the door.填介词

I can't find Yao Fang.He must be ( ) the door.填介词 I can’t find I can't find I can' t find my I can't find you I can 't find ___shoes. I can't find my English book. I can 't find the key_____my house I can‘t find my giasse是什么意思 I can't find you是什么意思 ----_______?-----I can't find my shoes. I can't find _____her hers where------ my trousers?i can't find -------. why i can't find a bf But I can't find anything意思 填空：Can I go skating with Yao Yao?Sure,____.A.go ahead B.you can't C.I can't I can't find my ruler.Can I b______ yours? I don't can find it和I can't find it的区别