--- I can’t carry the box , Mum . --- _________ , I can help you .
---- Don’t worry. I will help you. -----Thank you. It’s very kind ______ you to say so.
–Jim passed the Chinese exam. What about Jack? -- .
I am too busy now. If I____ free, I ____to the cinema with you.
He doesn’t do his homework________. So he always makes some mistakes.
I find _______difficult to get to sleep because the man upstairs made much noise.