Mr. Daniel is now in our school, but he once __ in NO. 1 Middle School for three years.
She is American,__________she knows little about American history.
The science of medicine,__________progress has been very rapid lately,is perhaps the most important of all the sciences.
Information has been put forward__________more middle school graduates will be admitted into universities.
I read about it in some book or other,does it matter__________it was?
I still remember__________this used to be a quiet village.