_____ she was sick, I was expected to take his place greatly surprised me, for I didn’t have much work experience.
| A．That if | B．That | C．If that | D．If |
Our research has focused on a drug which is so _____ as to be able to change brain chemistry.
| A．powerful | B．influential | C．monstrous | D．vigorous |
The boy slipped out of the room and headed for the swimming pool without his parents' _____.
| A．command | B．conviction |
| C．consent | D．compromise |
You have no idea how she finished the relay race ____ her foot wounded so much.
| A．for | B．when | C．with | D．while |
_________ that she was going off to sleep，I asked if she’d like chat little doll on her bed．
| A．Seeing | B．To see | C．See | D．Seen |
_________ around the Water Cube，we were then taken to see the Bird’s Nest for the 2008 Olympic Games．
| A．Having shown |
| B．To be shown |
| C．Having been shown |
| D．To show |