I thought I couldn’t do it. But _________, I did it.

I don’t know if he ____in the exam,but he’ll do better if he____harder.

_____ people come to Wuxi every year. About ______ of them are from the USA.

（湖南省怀化市2014年高三第二次模拟考试）25. ______ all of you are top students, only one will be chosen for the coming competition.

That children ______meet with setbacks is a matter of necessity as they_____, so parents don’t worry about that.