根据句意,用括号内所给单词的适当形式填空。
1. These __________(library) are very big and there are many books in them.
2. Would you like to help __________(I) with my English?
3. Tomorrow is Sunday. Let’s go____________(shop)!
4. — Where is your classroom?
—It’s on the __________(one) floor.
5. Do you know those ________(policeman) telephone numbers?