1.–Could you lend me some money?

--I'm sorry, ______ I don't think I have any money I can lend you.

A. but¡¡             B. so¡¡              C. then¡¡            D. for

2. –Do you mind my smoking here ?

--______.

A. Yes, you'd better not¡¡B. No, certainly not¡¡  C. That's all right¡¡    D. both A and B

3. When he came to the door, my father ____ him at once although he was now a very old man.

A. knew¡¡           B. looked at¡¡        C. recognized¡¡       D. found