Fill in each numbered blank with one suitable word or phrase

Rowing is a sport in which athletes race' against each other on river, lakes or on the ocean, (1) _____ on the type of race and the discipline. The boats are propelled by the reaction forces on the oar blades (2) _____ they are pushed against the water. The sport can be both recreational, focusing (3) _____ learning the techniques required, and competitive where overall fitness plays a large role. It is also one of (4) _____ oldest Olympic sports. In the United States, Australia and Canada, high school and collegial rowing is sometimes referred to as crew.

(5) _____ rowing, the athlete sits in the boat facing backwards, towards the stern, and uses the oars which are held in (6) _____ by the oarlocks to propel the boat forward, towards the bow. It is a demanding sport requiring strong core balance as well as physical (7) _____ and cardiovascular endurance.

Since the action of rowing (8) _____ fairly popular throughout the world, there are many different types of (9) _____. These include endurance races, time trials, stake racing, bumps racing, and the side-by-side format used in the Olympic Games. The many different formats are a result of the long (10) _____ of the sport, its development in. different regions of the world, and specific local requirements and restrictions. 

(1) _________

• A. 
  depending 
• B. 
   creating
• C. 
  interesting 
• D. 
  carrying