The scientific research on how to protect the rare animals is ________. Many scientists are working hard to find new way to raise the animals by man.
I wonder what will become of my daughter. ______ endless homework ,she also bears other leading loads such as revision and recitation.
Tom owns _______larger collection of _______ books than any other student in our class.
----Could I ask you a rather personal question?----Sure, _______.
____ doesn’t matter how much you spent on books.
____ we can’t get seems better than ____ we have.