最佳答案:He is sitting in the sofa.
最佳答案:Is my watch on the sofa?
最佳答案:are those keys on the sofa?
最佳答案:Are their basketballs on the sofa?
最佳答案:In order to make a sofa ,he took apart two old chairs
最佳答案:1 Is the model plane on my brother's bed2 Is your schoolbag on the sofa