11 .He felt_____ to work for human rights and progress.
| A．it his duty | B．his duty | C．that is a duty | D．that is his duty |
Having been born on the earth, we had no choice but ________ hospitality it offered.
| A．to accept that | B．accept how | C．to accept what | D．accept what |
The enemy troop could hardly make any advance, and ________ could they fall back.
| A．neither | B．so | C．either | D．both |
An online survey at sina.com suggested more than four in five interviewers _______the Microsoft move would not be effective _________ software piracy.
| A．say; to control | B．say; on controlling | C．said; in controlling | D．said; to control |
Beginning college is exciting：many of us can be easily overwhelmed by _______ details of running ________ well-balanced life.
| A．／; the | B．the; a | C．／; a | D．the; ／ |
With all the novels he was interested in ___, he left the library and went back to his dorm.
| A．borrowed | B．borrowing | C．to borrow | D．borrow |