“Why couldn’t they meet us at five o’clock?” “Because they were delayed by ________.”
Having been born on the earth, we had no choice but ________ hospitality it offered.
The enemy troop could hardly make any advance, and ________ could they fall back.
An online survey at sina.com suggested more than four in five interviewers _______the Microsoft move would not be effective _________ software piracy.
Beginning college is exciting:many of us can be easily overwhelmed by _______ details of running ________ well-balanced life.
With all the novels he was interested in ___, he left the library and went back to his dorm.