______ each other for long, the two brothers decided to meet soon.
| A．Not seen | B．Not having seen | C．Having not seen | D．Not seeing |
We went through a period______communications were very difficult in the rural areas.
| A．wtach | B．whose | C．in which | D．with which |
For many cities in the world, there is no room to spread our further, _______ New York is an example.
| A．for which | B．in which | C．of which | D．from which |
The man pulled out a gold watch,_____were made of small diamonds.
| A．the hands of whom | B．whom the hands of |
| C．which the hands of | D．the hands of which |
Later in this chapter cases will be introduced to readers __ consumer complaints have resulted in changes in the law.
| A．where | B．when |
| C．who | D．which |
Yesterday she sold her car, ______ she bought a month ago.
| A．when | B．where | C．that | D．which |