When were the Shakers most active？A．Between 1800 and 1850.B．Between 1850 and 1900.C．Betwee

Bicycling is the best physical activity because it is most comfortable to most people

A．The students attended class twice a week.B．Men were quite active during the classes.

Nowadays most people decide quite early what kind of work they would do. When I was at school, we had to choose （11 ) when we were fifteen. I chose scientific subjects. "In the future , scientists wi

Fifty years ago, most peoples daily levels of activity were equivalent to walking three to

______is the most important economic activity in Canada.A．ManufacturingB．AgricultureC．Mini

Manufacturing iB Canada’s most important economic activity，______17 percent of the workfor