I need (a)   new notebook.

Tom will go to (a)   cinema with Elise.

Could you hand me (a)   pen? Any color is fine.

The trip to the beach took us (a)   hour.

Ana found (a)   unique item while shopping.

Do you know that dolphin is (a)   mammal?

Can you bring (a)   small box please?

Where is (a)   English dictionary?

Please give Ben ___ white hat. ___ black one is too small.

(a)