The teachers in our university has a ______ of backgrounds.

Neither of the young men who had applied for a position in the university ______.A．has bee

Our English teacher has agreed to _____ the time limit for our paper.A. spreadB.

In such a large class the teacher has some difficulty______specific help to all the studen

In the testing, Dr. Aiken cut the background from those photos for the purpose of______.A．

In our class, when the bell rang and the teacher closed his book, it was a___________

Our department has a large collection of books ______are in English.A.many of whichB.many