What's the boy doing_the tree?He's picking the apples _the tree.A.n;on B.on;in Cin;at Dat;on

What's the boy doing? What's the boy doing?同义句是什么 What does the boy ----- doing? the/is/littie/What/doing/boy/? What is the boy doing什么意思 Look!What's the boy doing in the river?He _____(swim).怎么填? what's the boy doing?怎么回答?在做模型，怎么回答 What's the men doing? ——what's the boy doing he is looking ( ) the advice diamond——what's the boy doing he is looking ( ) the advice diamondA at B for C inside D like 选择请说明理由. what's the name 什么 the boy what is the boy doing in his bedroom? what is the boy doing?（改为复数的疑问句） What's the man doing?的意思 What's the little girl doing? What's the mother kangkroo doing what's the elephant doing?的下一句 whats the lion doing的意思 What‘s wrong with the boy?改为同义句 What's ___ ____ ___ the boy?