"什么isthe什么"(足球)的句子是:

It's (beside) the bookcase.

Where is the (football)? It's (beside) the bookcase.

所以,正确的填空答案是:

1. It's 足球(football) 旁边(beside) the bookcase.

2. Where is the 足球(football)? It's 旁边(beside) the bookcase.