问题

He’ll never forget the years _______ hestudied in Oxford University.
A:make sense
B:on which
C:when
D:which
B:on which
C:when
D:which
正确答案是:
同类题型
I ___ taking his illness lying down, he insisted on working to the end heart and soul
_______ quality, there’s no product of other companies that can compare with ours.[ ]
The order came that the medicalsupplies _____ to Beijing for the Sars soon.
The work is not veryprofitable cash,but I am getting valuable experience from it