When you are swimming, ________ your ears. You can use earplugs (耳塞) to stop water getting into your ears.
--- ______, where is the library? --- Oh, it’s just over there. (就在那边)
--- Is this your computer? --- No, ______.
--- Thank you very much. --- ______
---______ --- They’re my brothers, Jack and Mark.
--- ______ is my hat? --- Sorry, I don’t know.