— Is this book interesting?— Yes, but I'm sure it won't interest         .

Roy made two kites, but _____ of them can fly high in the sky. 

The unemployment figures this year are close to ___ of the year before last.

I think the doctor is able to care of _____ is the matter with your son . 

—What do you think of your college life?—Tired! __ win the scholarship(奖学金), I have made a full schedule(时间表) for study.