Shall we go out for a swim?—Sorry, I can’t. I ______ housework for my mother now.

Do you know nearly ________of our body is water?

I watched soap operas on TV for.

He said that only after he went abroad _______ what his motherland meant to him.

Where is Jack? I haven’t seen him for a long time.—He ______ HK with his family. I think he is having a wonderful time there.