He is____ friend of____ writer’s. A./:the B.a;the C.a;a D a;/
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.
The salmon dish was _______, wasn’t it?