If _____ carefully, the experiment will be successful.
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.
The man _______ over there was injured in a car accident yesterday.