—Did you watch the basketball match yesterday?—Yes, I did. You know, my brother _________ in the match.
Liu Xiang is ________ Yao Ming.
When and where to go for the on-salary holiday _____ yet.
The water will be polluted unless some measures _____.
His way of speaking suggested that he ____ very angry.
Pine trees, of which there are almost one hundred ____, are found throughout the North Temperate Zone.