Five miles beyond the hills (A) were (B)a fire with its (C) flames reaching (D) up to the sky.
A.the hills
B.were
C.its
D.reaching

Not (A) single alphabet has ever perfectly (B) represented the (C) sounds of any of (D) Earth’s natural languages.
A.Not
B.perfectly
C.the
D.any of

Artificial (A) intelligence is concerned with designing (B) computer systems that perform such tasks as reason (C) and learning (D) new skills.
A.Artificial
B.designing
C.reason
D.learning

Astronomers do not have sufficient information (A) to determine (B) what (C) the solar system was created
A.information
B.to determine
C.what
D.was created

Pure solium immediately (A) combines (B) with oxygen when is exposed (C) to air
A.immediately
B.combines
C.is exposed
D.to air

The (A) little boy’s mother bought him (B) a five – speeds (C) racing bicycle for his (D) birthday.
A.The
B.him
C.five – speeds
D.for his

Danny spent such enjoyable (A) vacation in Europe this summer that he (B) plans to return (C) as soon as he saves enough money.(D)
A.such enjoyable
B.that he
C.to return
D.saves enough money

Paul did so (A) well in his speech today that (B) he should have rehearsed (C) it many times this past week.(D)
A.so
B.that
C.should have rehearsed
D.this past week

The teachers and the administrators are having such difficult (A) time agreeing on (B) a contract for the forthcoming year (C) that the teachers may go on strike.(D)
A.such difficult
B.on
C.the forthcoming year
D.may go on strike

It is difficult (A) to get used to sleep (B) in a tent after having (C) soft, comfortable bed to lie on.(D)
A.difficult
B.to sleep
C.having
D.to lie on