1.单项选择- (共2题)
1.
There were more than 1,400 occasions last year ________ access to humanitarian aid was denied in some conflict zones.
| A．of which | B．in which |
| C．on which | D．at which |
试卷分析
-
【1】题量占比
单项选择:(2道)
-
【2】：难度分析
1星难题：0
2星难题：0
3星难题：0
4星难题：0
5星难题：0
6星难题：0
7星难题：0
8星难题：0
9星难题：2