Mei Li:
The name of which former US Treasury Secretary completes this banking corporation 'J P Morgan ......'??
Shuai Zheng:
chase
Mei Li:
Lake Erie is connected to Lake Ontario by which canal??
Shuai Zheng:
welland canal
Mei Li:
A deficiency of which vitamin is the predominant cause of rickets??
Shuai Zheng:
d