______ a new house is impossible for the young couple because they haven't saved enough money.
________ production up by 50%, the factory has another wonderful year.
Animals are obviously ________ lower form of life than ________ man.
-I’m leaving for Europe on vacation tomorrow.-________.
----What’s the matter with Della? ---- Well, her parents wouldn’t allow her to go to the party, but she still ____.
---- Here____! Where is Xiao Liu? ---- There____.