The man has little education but he has a lot of _____ experience.
Despite the previous rounds of talks, no agreement______ so far by the two sides.
______ for two days, Steve managed to finish his report on schedule.
I ______ have worried before I came to the new school, for my classmates here are very friendly to me.
Jane can’t attend the meeting at 3 o’clock this afternoon because she ______ a class at that time.
______in painting, John didn’t notice evening approaching.