Many people do not realize the importance of health __________ they have fallen ill.

.What a _______ that dress makes! She looksvery pretty now.

an I operate this machine—Well, just refer to the _______.

The student was just about to_________ the question,when suddenly he found the answer.

Titanic 3D moved all audience to tears once again, ______ our attention to Cameron ‘s films and the definition of true love.[ ]