Two years ago, three scientists traveled to the Antarctica to explore a secret world hidden _________ the ice.
—There is no way for us to book ________apartment. —Thus we will have to make full use of what we have now.
________of the land in that district________covered with trees and grass.
—The cake is delicious. —Well, at least it is________the one I baked last week.
The pianos in another shop will be________, but________.
In the dark forests ________,some large enough to hold several English towns.