The road conditions there turned out to be very good, ____ was more than we could expect.
| A．it | B．what | C．which | D．that |
All the neighbors admire this family, ____ the parents are treating their child like a friend.
| A．why | B．where | C．which | D．that |
The growing speed of a plant is influenced by a number of factors, ____ are beyond our control.
| A．most of them | B．most of which |
| C．most of what | D．most of that |
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 |