Only by staying in the city for at least a week would it be possible for one to see all the
sites
A. If you wanted to look at all the sites in the city, you would need to be there not less than a week
B. A week at the most was enough to visit all the sites in the city
C. You should extend your stay here for another week if you want to see all the sites in the city
D. Even though you may stay there longer, it only needs a week to see all the attractions

(Research) in the United States on acupuncture (has focused) on (it) use in (pain relief) and anesthesia

Pepsin ………..an enzyme used in digestion
A. that
B. is
C. of
D. being

I'd like to buy that glass vase you have in the window _____ the one with the roses on the side. 
A. inscribed B. tattooed C. designed D. etched

The official inquiry into the accident ......... the captain of all responsibility.
A. cleared B. released C. freed D. relinquished

Writing is a skill that requires (consistent) practice
A. invariable
B. orderly
C. regular
D. customary

A number (of) the American India language (spoken) at the (time) of the European arrival in the New World in the late (fifteen) century have become extinct

Insulation from cold, (protect) against dust and (sand), and camouflage (are) among the (functions) of hair for animals

After his tong illness, the old man appeared so thin and ......... that a gust of wind might have blown him away.
A. flimsy B. frail C. withered D. faint

Billie Holiday’s rough………………emotional Voice made her stand out as a jazz singer
A. so
B. but
C. nor
D. still