_______ in my life impressed me so deeply as my first visit to Tibet.

 Does ________ matter much if they do not come tomorrow?

________ is mentioned above that the number of the students in senior high school is increasing. 

A true friend is the one that is coming in the door while      else is going out.

—I'm too busy preparing the exam. Could you do _______to help me?—Of course. I can do _______for you if you want me to.