Excuse me ,is there a library near here （改为同意句）

Excuse me ,is there a library near here （改为同意句）
Excuse me ,could you tell me how ___ ___ ___ the library
There's a pen in his backpack .（同意句）
He ___ a pen in the backpack .
There are （34）students in our class .（对括号内部分提问）
___ ___ students ___ ___ in your class
There are (a lot of apples) in the tree .（对括号内部分提问）
___ ___ in the tree
一年有十二月.
___ ___ twelve months in a year .