单项选择题
Once he has made up his mind to do something, it is impossible to stop him （）it.
A．to do B．do C．from doing
单项选择题 It's midnight, but there's a light （）in the library.
单项选择题 It （）heavily last Saturday and there was deep snow in the garden.
单项选择题 John Hill, （）born in Maryland, grew up in New York.
