How many hours of housework did men do every week in the 1970s？ A. About 23. B. About

How many hours of sleep does the woman usually get？A．Four.B．Five.C．Eight.D．Ten.

How many hours is Moscow ahead of London during the summer？A．2B．4C．6

There are 365 days in a year. How many hours are there in a day？

If your vessel bums 8 tons of fuel per hour at 15 knots, how many tons per hour will it bu

According to the man, how do they arrange the housework？A．Each of them cooks about once a

How many hours do people work a week at present according to the passage？A．10 hours.B．20 h