Variant 1 You could have come first and won the race if you … faster

16. We saw some people with guns shooting … birds.

A) after B) at C) to D) on

17. We will have to pay for an extra night if we … the hotel room by 12.00.

A) hadn`t left B) didn`t leave C) haven`t left D) don`t leave

18. What was the end of play?

If you … it out, you would have known its end.

A) sat B) would sat C) will sat D) had sat

19. I wonder what is being cooked? Something … good in the kitchen.

A) smelt B) has smelt C) smells D) is smelling

20. Each boy and girl in the sixth grade … to do a science project.

A) to have B) has C) was having D) having

Arrowheads, once being used a hunting tool, became the object of hunt themselves for their art and historical value. The ancient arrowheads are very difficult to find. They are tiny stones or pieces of wood, bone or metal which was once sharpened in order to create a tipped weapon used in hunting. On the edge opposite the tip is a flared tail. Sometimes designs vary depending on the region, era and purpose, the tails serve one purpose. Scientists can determine advancement of tool technologies through arrowheads analysis. By the location of the arrowheads, archaeologists map out hunting grounds and other social patterns.