How long did the New York blackout in 1977 last?

How did Christy McKinley know Ms. Schatzman's opinion of the chi tea?

—How much did the owner of the hotel ______for the room one night?—100 dollars.

Nobody knows how long and how seriously the shakiness（不稳定） of big businesses will （） down the economy.

How long does the Lucky Promotion last?From January 1st to ____, 2005.

Passage OneIn the late 1860's, industry in America grew rapidly. More factories meant more jobs. But working conditions were dangerous. Employees were forced to work as many as 16 hours a day in hot, dirty rooms. Children often worked alongside adults. Wages were usually very low.Workers tried to improve conditions by forming unions. One of the first important unions was the Knights of Labor, formed in 1869. Blacks and women were welcomed as members. The Knights of Labor wanted an 8-hour workday, higher wages, and better working conditions. The union called for an end to the employment of children under age 14.Together with other unions, the Knights of Labor tried to make changes through collective bargaining. Union leaders would meet with employers and talk. When collective bargaining failed, the unions resorted to strikes. When some strikes that the unions held turned violent, public opinion turned against them. Many members left the Knights of Labor, and by 1890 the union had died out.But other unions survived. The AF of L, American Federation of Labor, was formed in 1881. It continued to push for the goals set by the Knights of Labor. However, most federal laws protecting workers and outlawing child labor were not passed until the 1930's.31. According to the passage, the Knights of Labor wanted all of the following EXCEPT ______.

How did the speaker feel when he saw the last apartment?

How long will the discharging take? （）

You can infer that most of the goals of the Knights of Labor were ______.

How long must the records of tests and inspections of fire fighting equipment on board a ship be retained on board?（）

How long did it take to clean the holds?（）

How long does the TV play Sisters last?