I doubt Sam will be the new chairperson of the Students’ Union. I don’t think he’d be able to organize things well.
It is easy to ________the differences between them because they have little ____.
We are covering these __________ girls’ wonderful performances _______.
We all know that learning a skill _________ time and effort.
Man’s understanding of nature is developing ________. It never stays at the same level.
______ you are middle school students, you should learn to how to look after yourselves.