The ordinary house _________ we visited three days ago used to be the house of Victor Hugo, a well-known litterateur(文学家).
____ is clear to us all, students should obey the school’s rules.
______ time goes on,people ______ better housing and jobs.
_____, we need to imporve the equipment in our factory.
_____ writer, she is excellent, _____ teacher she is not very good.
_____, the population of China is the largest in the world.