______the doors were closed and that all the lights were off, the boy left the classroom.
| A．Check | B．To check | C．Checked | D．Having checked |
——What do you think of Yuan Longping?
——____ man of ____ great achievement.
| A．The; / | B．/ ; / | C．A; the | D．A; / |
people have always been curious ______ how living things on the earth exactly began.
| A．in | B．at | C．of | D．about |
After the storm, I found the world _______ and the old house ________.
| A．changed; destroyed | B．changed; destroying |
| C．changing; destroyed | D．changing; destroying |
He sat there with his attention the wonderful view of the city.
| A．focusing on | B．focusing in | C．focused in | D．focused on |
In the earthquake, parents were willing to do they could their children.
| A．whatever; save | B．whatever; to save |
| C．what; saving | D．what; to save |