Mr. Chen is _____ generous man. He has donated a lot of money to people in need.
–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.
--- You look ______,Paul. What’s the matter?--- I’m having trouble ______ math.