C: He is offering the woman a job. D: He is working for a company.

18(5分) : 第四次作业问题14

A: She worked on the draft of the American Constitution.

B: She was the chairman of the National Women's Association. C: She was born in New York and died in Massachusetts.

D: She was an activist in the women's movement for equal rights.

19(5分) : 第四次作业问题13

A: At the very beginning of the 20th century. B: At the end of the 19th century. C: After Susan Anthony's death.

D: Just before Susan Anthony's death.

20(5分) : 第四次作业问题3

A: She made a mistake by taking too few courses in the first term. B: The courses she took were too difficult for her. C: She took too many courses during her first term. D: She found it difficult to deal with college courses.