When I saw my teacher nodding _______ to me, I calmed down and went on with my performance.
When you learn English, you have to choose which accent to _____, American or British.
With so many forms _______, many students feel at a loss before the 2010 college entrance exam.
Not only ________ interested in football but ________ beginning to show an interest in it.
______ home yesterday afternoon, it began to rain heavily.
The old farmer had his leg _______ but he had his tractors _______ day and night.