From this passage we may come to the conclusion that the 18th century saw ______.

填空题What does the author think of English grammars developed in the 18th century

单项选择题A．Many hours.B．One full day.C．Two full days.D．Three full days.

填空题ethical

填空题It is suggested in the first paragraph that no organization is authoritative enough to ______.

单项选择题A．English husbands usually do a lot of housework.B．English husbands usually do little housework.C．English husbands are good at sports.D．English husbands enjoy doing housework.