25. Welcome to the Historical Museum, everyone! This stone knife _______ in South Africa and experts can’t be exactly sure about its use.
In my opinion, all Mr. Li ______ good to his students in his class at present. He is very strict with them in their studies.
It was with great courage _______ the boy told the truth ______ he had stolen the money.
On arriving home, she was surprised to find that the kitchen was filled with _______ smelled liked tasty dishes.
At Christmas people _________ us to help the poor.
It is what you do ________ what you say that matters.