The terrible drought has captured worldwide attention. As responsible citizens, we must never ______ the terrible situation that our common home is faced with.
The world is changing fast.I strongly believe that one will easily fall behind _______ he keeps on learning.
The traffic is very_______.It’s quicker to walk there.
He has read two novels _______.
—I think he is very wise.—No, he is _______ than wise.
Your sister is _______ too young to learn Russian.