1. At the time of Columbus voyages, Native Americans used an astounding diversity of languages, __________ the diversity used by Europeans.

(A) the greatest by far
(B) by far than greater
(C) by far the greatest
(D) greater by far than

2. (A)Automobile insurance compensates (B)only not for fire and theft but also for (C)damage caused by a collision and for injury to (D)victims of an accident.

3. (A)Because banana plants yield (B)only one bunch of fruit, (C)each plant is cut down after (D)produces bananas.

4. Because Mars is farther from the Sun than _________, Mars takes longer to complete a revolution.

(A) Earth is
(B) is from Earth
(C) what is Earth
(D) is it Earth