It is the third time that she has won the race, ______ has surprised us all.
| A．that | B．where | C． which | D． what |
It is far better for one to drink milk，________one gets nutrients, than to drink coffee，________contains no nutrients at all.
| A．what; what | B．where; as |
| C．from which; which | D．in which; what |
It’s helpful to put children in a situation _____ they can see themselves differently.
| A．that | B．when | C．which | D．where |
The old professor has three sons，________are doctors.
| A．all of them | B．all of whom |
| C．all of that | D．all of which |
Wind power is an ancient source of energy ____we may return in the near future.
| A．on which | B．by which |
| C．to which | D．from which |
In today’s competitive economy, ________ everyone is trying to do more with less, you’ve got to figure out a way to profit from the very beginning.
| A．which | B．that | C．how | D．where |
The moment ______Leo will never forget is ______he joined the Air Force
| A．when; that | B．that; that | C．that; when | D．when; / |
After a pause for a drink, I took up my story just _______ I had left off.
| A．what | B．that | C．which | D．where |
On the other side of the street stand more than 180 houses, _______are in poor condition now．
| A．of which half | B．which half of |
| C．half of them | D．of them half |
The position ________ he wants to apply is very important for the development of the firm.
| A．to which | B．for which | C．for that | D．with which |