It's raining __________ heavily outside __________we have to stay at home.
A.too, to B.so, that C.enough, to D.both, and
__________ elephants, we must stop buying things ___________ of ivory.
A.To protect, making B.Protecting, making C.To protect, made D.Protecting, made
These old pictures can always __________ me __________ my childhood.
A.remember, of B.remind, of C.remember, to D.remind, with
_________ the rain had already stopped, _________ it was still very cold.
A.Although, / B.Although, but C.But, / D.But, although
After _________ the newspaper, we know the _________ about the accident.
A.read, plan B.reading, advice C.read, truth D.reading, truth
George Washington is the first president in America. Do you know____________?
A.when was he born B.where he was born C.what did he do D.what he was doing
