Try to understand what's actually happening instead of acting on the _______ you've made．（ ）
| A． |
assignment |
B． |
association |
| C． |
acquisition |
D． |
assumption |
It is difficult for us to imagine_____ life was like for slaves in the ancient world.
| A．where | B．what |
| C．which | D．why |
I now, we have raised 50.000 pounds for the poor children, ______ is quite unexpected.
| A．that | B．which |
| C．who | D．it |
--- Is it true that Mike refused an offer from Yale University yesterday?
--- Yeah, but I have no idea _______ he did it; that’s one of his favorite universities.
| A．when | B．why |
| C．that | D．how |
We’ll reach the sales targets in a month _______ we set at the beginning of the year.
| A．which | B．where |
| C．when | D．what |
The English play _________ many students are preparing at the New Year’s party will be a great success.
| A．for which | B．at which |
| C．in which | D．on which |