根据提示完成句子。
（1）____________(there be)  a football under the desk?
（2）Are there any _____­­­­_______ （美术）rooms in your school?
（3）Are there ___________(一些)music rooms in our school?
（4）How many ___________ （mango）are there in your school?
（5）___________（be）there a rubber and two pencils in the pencil case? 
（6）It is ______________ (one) day of the week（星期）.