______ I always felt I would pass the exam, I never thought I would get an A.A. While B. Unless C. If D. Until
—Why don't you go home? —Because a lot of work________yet.
I'll return the book to the library as soon as I________it.
This is the best dinner that I________.
—Isn't it hard to drive downtown to work? —Yes,that's why I________to work by train.
—Look!How long________like this? —Three weeks! It's usual here that rain________without stopping these days of the year.