Of the two brothers, Bill is ______ younger one, and he is a quiet boy, ______ that most adults like very much.
He________Beijing,so he knows a lot about it.
It was the third time this term that the teacher________with the naughty student.
When he turned professional at the age of 11,Mike________to become a world champion by his coach and parents.
Although medical science________control over several dangerous diseases,what worries us is that some of them are recurrent.
—What's the party like?—Wonderful.It's years________I enjoyed myself so much.