Developing (A) new technologies are (B) time-consuming (C) and (D) expensive.
A.A
B.B
C.C
D.D

You can’t have told (A) her my story (B). It’s a secret that (C) no one should know (D).
A.A
B.B
C.C
D.D

What we know about (A) certain diseases are (B) still not sufficient to prevent them (C) from spreading easily among (D) the population.
A.A
B.B
C.C
D.D

The food (A) that you are cooking in the kitchen (B) is smelling (C) delicious (D).
A.A
B.B
C.C
D.D

The teacher suggested (A) that the students prepared (B) carefully (C) for the exam (D).
A.A
B.B
C.C
D.D

Hyde Park, the family estate of Franklin D. Roosevelt (A), sets (B) on top of a bluff overlooking (C) the Hudson River (D).
A.A
B.B
C.C
D.D

Work (A) is (B) often measure (C) in units called (D) foot pounds.
A.A
B.B
C.C
D.D

The (A) masterpiece "A Christmas Carol" wrote (B) by (C) Charles Dickens in (D) 1843.
A.A
B.B
C.C
D.D

Although (A) there (B) are new drugs on the market, deaths from malaria are being increasing (C) in some parts (D) of the world.
A.A
B.B
C.C
D.D

It is not surprised (A) that the Arabs, who (B) possessed (C) a remarkable gift for astronomy, mathematics, and geometry, were (D) also skillful mapmakers.
A.A
B.B
C.C
D.D