There is ______ “u” and _____ “s” in the word “use”.

_______has recently been done to provide more buses for the people ,a shortage of public vehicles remains a serious problem .

Harry, did you attend the dancing party________ at Jack’s house the day before yesterday?[ ]

I’m sorry I can’t find the library book anywhere．—So I’m afraid you have to_______ it．

His favorite iscakes.