______ may have a chance to be successful if he tries his best.

 Of all the methods they provided, ________ is of any help for solving the math problem.

________ arouses his interest can be found in the school library and that is why he goes there ________ happens.

 Frankly speaking, ________ of them knew what the other was doing that morning.

—What do you think of the 2013 Spring Festival Party?—Well, great! But I don't think much of ________ held last year.