12. The little boy walks ____ he _____ an old man.
A. as if, likes B. as though, were c. even if, likes D. even though, were
---_______ the farmers discovered the entrance to the secret cave in the valley?
--- Totally by chance.
| A．When was it | B．How was it |
| C．How was it that | D．When was it that |
__________ he does has nothing to do with me.
| A．If | B．No matter what |
| C．That | D．whatever |
Mr White is opposed to repairing the old building, and that’s ______ I don’t agree.
| A．which | B．that |
| C．where | D．what |
____ a peasant boy of no more than seventeen, who was badly wounded.
| A．Seated in the corner was |
| B．Was seated in the corner |
| C．In the corner was seating |
| D．In the corner was seated |
--- Do you often feel anxious and uncomfortable?
--- No, but I __________.
| A．didn’t | B．used to be |
| C．used to | D．wasn’t |