_____ a teacher in a university, it is necessary

_____ a teacher in a university,

The life boat______in case it is necessary to take off the crew of the damaged ship.A．has

It is for his teacher in the No. 5 middle school______John might have bought a new book ye

In your job hunting it is necessary to________.A.

________ a teacher in a university it is necessary to have at least a master’s deg

Everyone knows that taxation is necessary in a modern state:【21】______ it it would not be