_____ was expected, he failed in the exam.
A. That B. As C. Which D. It
With the guide _______ the way, we finally got to the village which we were looking for.
A. led B. leading C. to lead D. had led
I was about to go to bed _____ one of my old classmates made a call to me.
A. when B. as C. while D. that
Mr King, _____ legs were badly hurt, was quickly taken to hospital.
A. who B. that C. whom D. whose
He was generally _________ to be the finest poet in the land.
A. received B. regarded C. seen D. acknowledged
Students are encouraged to _________ the design competition for robots at the university.
A. take part B. operate C. join to D. participate in