around the lab, we were taken to see the library.
| A．Being shown | B．Showing | C．Having been shown | D．To show |
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 |