Could you please give me______ on how to improve my English?

A．a piece of advice

B．some piece of advice

C．some advice

D．an advice

A famous doctor once received a little child that was badly ill. Thanks to his skills and care, his young patient got well and was soon able to get up and run about again.
The child's mother was very thankful to the doctor, and she called on him to thiank for what he had done for her child. "Doctor," she said, "you have saved my little son. I don't know how to thank you enough. I feel that money alone cannot repay you, so I have made this little purse with my own hands, as a sign of my gratitude.I hope you will accept it." The doctor stood up and said coldly, "Madam, a little present like that is very nice between friends, but a doctor needs to paid properly for what he has done." The lady was surprised and hurt so much that she could not reply for a moment. Then she said quietly, "Perhaps you will tell me how much you fee is?"
"Fifty pounds," he answered.
The lady opened the little purse and took out four fifty-pound bank notes. She passed one of them to the doctor, and put the other three back into the purse. She put the purse into her handbag and, saying goodbye to the doctor, went out of the room.
小题1:The lady was thankful to the doctor because ______.

A．he had saved her life	B．he had saved her son’slife
C．he had lent her some money	D．he often called on her

小题2:The doctor refused the lady’spurse becasue he thought_______.

A．the puese should be given between friends

B．the purse was too small

C．the lady was not kind to him

D．the lady just gave him that purse and wouldn’t give him the medical fee

小题3:The underlined word”gratitude”means”_______”in English.

A．feiendship

B．pity

C．happiness

D．thanks

小题4:The money in the purse_______.

A．was only 150 pounds

B．was less than 200 pounds

C．was much more than the medical fee

D．was not enough for the medical fee

小题5:How do you think the doctor would feel in the end?

A．Sorry and worried

B．Regret and proud

C．Excited and proud

D．Sorry and regret