Can you tell me how to learn Chinese well? —Sure. The best way _____ Chinese is often using it more.

I walk such a long way on such a hot day .-Oh, dear ! You____ be tired and thirsty. Sit down and have a drink.

Mary couldn’t go to the cinema with us because she had to _____ her little brother.

Emma ，can you introduce _______ to Alice ?I want to meet her .

Avatar is an interesting film. I ______ it twice already.