How long does it take to cover the workbook material？A．For more than a term.B．For less tha

How long will it take for you to make a contribution？你需要多长时间才能做出明显的贡献？

How long will it take for you to make a contribution？你需要多长时间才能做出明显的贡献？

How long does it take for some industries acquiring commercial potential？A．From five to te

How long do you think______to finish this urgent task？A．did it take youB．it will take youC

How long does it take for the runners to cross the starting line in recent Marathon races？

According to Obamas 2011 blueprint, how long would it take for illegal immigrants to gain