---Where did you find the professor who made the speech yesterday?
--- It was in the hall ____ the students often have a meeting.
| A．Where | B．which | C．that | D．when |
---Lost and Found office. ________?
--- I wonder if you have a small black suitcase of mine.
| A．What can I do for you | B．Who’s that |
| C．What’s that | D．How do you do |
So far all cloned animals have suffered from some different serious disorders, _______ dying soon after birth.
| A．many of which | B．many of whom | C．many of them | D．many of that |
When asked to explain ________ he does to make his students so fascinated with his lessons, the teacher paused and thought deeply.
| A．what it is that | B．that what it is |
| C．what is it that | D．that what is that |
_______ to her own work, she spent little time with her children.
| A．Devoting | B．To be devoted | C．Devoted | D．Having devoted |