Mistakes don’t just happen; they occur for a reason. Find out the reason, and then make the mistake becomes _____. [ ]

t do you think of my speech Beingwatched by so many people, I always feel nervous—— You ______ quite well, though

I had ______ interesting experience on Sunday.

Why don’t you ____________an English Club to practice ___________English

ste water, when _______，should be clean enough to meet standards.