问题
The whole Chinese people will never forget the day, April 20th, 2013, _______ the big earthquake happened in Ya’an.
A:on which
B:in which
C:on that
D:from which;
B:in which
C:on that
D:from which;
正确答案是：
同类题型
It remains to be seen_______ the newly formedcommittee’s policy can be put into practice
_________ whether China’s post-90s generation is strawberry generation
We are not permitted ________ mobile phones to school.[ ]
I don’t know you take a bus to school.—Oh, I ________ take a bus, but it is snowing today.