Ronny's steps________, and there was a moment of absolute silence.
A.died down B.died away C.died off D.died out
With China ________ in the world trade more frequently, the world economy is developing more rapidly and steadily.
A.participating B.to participate C.participated D.being participated
Warmblooded animals have the ability to ________ body heat exactly to maintain their ideal temperature despite changing weather.
A.respond B.attach C.adjust D.expose
The local government provided ________ for the homeless soon after the flood.
A.possessions B.accommodations C.souvenirs D.groceries
The event has not only increased public________of world hunger, but raised a lot of money for the poor children.
A.direction B.contribution C.awareness D.loneliness
Recent years have________the rapid development of the Internet and its influence on society and people.
A.watched B.observed C.witnessed D.realized
