__________ other students, Bill is more ___________ to the teachers.
It was the second time that I ______to Shanghai.
______I always felt I would pass the exam, I never thought I would get an A. A. Once B. While C. If D. Until
It may rain hard this weekend, _____________the football match will have to be put off till next week.
— I'm sorry. I thought the remark would amuse you. — It .
Barack Obama and Mitt Romney both say the country's immigration system must be reformed. But they disagree how to do it.