=) 9. A large car … more gasoline than a smaller one.

a) uses

b) is using

c) has used

d) has been using

10. Julie is very talented. She … several musical instruments well.

a) has played

b) is playing

c) plays

d) has been playing

11. Brian … Susie since he was 5 years old.

a) knows

b) has known

c) is knowing

d) has been knowing

16. The trial …. on for a long time. I wonder what the verdict will be.

a) has been going

b) goes

c) is going

d) has gone