The developing of the submarine was hindered by the lack of a power source that could propel an underwater vessel

(A) Developing

(B) The

(C) A power

(D) Could propel

Species like snakes, lizards, coyotes, squirrels, and jack rabbits seems to exist quite happily in the desert. 

(A) Like

(B) Seems to

(C) Quite happily

(D) The

Ours brains are incredibly agile machines, and it's hard to think of anything they do more efficient than recognize face. 

(A) Are

(B) Anything

(C) Efficient

(D) Recognize

The sates school system in England can be divided into two levels of educated: primary and secondary

(A) Be divided

(B) Into

(C) Educated

(D) Secondary

Mercury and alcohol are widely used in thermometers because their volume increases uniform with temperature. 

(A) Are

(B) Widely

(C) Their volume

(D) Uniform with

By the turn of the century, most of the inventions that were to bring in all the comforts of modern living has already been thought of. 

(A) By the turn of

(B) That

(C) Were to

(D) Has already been

Doctors believe there is better in this modern world of ours to try to prevent illnesses than to rely on medicines to cure them. 

(A) Doctors

(B) There is

(C) Of ours

(D) To

The guide told the tourists that it was a good restaurant specializing in seafood just round the corner from the museum. 

(A) The

(B) It was a

(C) Specializing

(D) Just round

Parks which are found in downtown areas where office workers and store employees can enjoy their lunch hours sitting on the green grass in clean, fresh air. 

(A) Which

(B) Employees

(C) Lunch hours sitting

(D) Fresh air

The freshman failed to follow the advice of her senior that he studied hard and not go out too much. 

(A) Freshman

(B) Her

(C) Studied

(D) Not go out