Mei Li:
Niagara Falls, one of the more popular tourist destinations in North America, consists of Horseshoe Falls and what??
Shuai Zheng:
american falls
Mei Li:
On television, what is advertised by 'Alexandr Orlov'??
Shuai Zheng:
compare market com
Mei Li:
One of the forms of music usually sung a capella is...??
Shuai Zheng:
madrigal