题目内容：
Passage SixThe relations between men and wives are changing too. A majority of working women remain 271 their home; they come back at night to the cleaning, washing, and cooking that 272 their second career. But more and more husbands are sharing the burden and willingly 273 chores that their fathers would have rejected as unmanly, and as too much mysteriously difficult anyway. 274 such cases, man and wife become equal partners, both working outside, both pushing their vacuum cleaner. 275 , the number of husbands who do help in that way is much smaller than the number of those who accept the idea in theory, 276 the equal partnership is a fact, it does not always work well. The marriage can be destroyed when the wife is more successful in her profession 277 her husband in his, particularly when she earns more than he does. Sociologists see in this situation one of the main reasons for the increase in divorce rate, another reason 278 the husband’s refusal to help with the housework or the care of children. A third reason could be the growing awareness of the professional women 279 she does not have to remain married 280 she is too unhappy.
271. A. in full charge of B. in the full charge of C. the charge of D.taking charge
272. A. are accounted for B. consisting of C. are formed D. make up
273. A. taking in B. taking o
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