0221 

Rice, ---------------- of much of the world's population, grows best in
hot, wet lands. 

(A) still forms the staple diet

(B) which it still forms the staple diet

(C) which still forms the staple diet

(D) which is still formed the staple diet

0222 

Composed of heavy-textured clay soil, adobe has great elasticity when moist,
but ----------------------------.

(A) when it is dry able to hold its shape

(B) dry when is able to hold its shape

(C) when dry is able to hold its shape 

(D) which is able to hold its shape when dry

0223   

Working like a telescope, a telephoto lens magnifies their size of objects at great

    (A)                                                                              (B)                      (C)    

distances.

     (D)

0224   

Because of folk ballads stem from the everyday life of common people, the most

      (A)                                 (B)                                       (C)

popular themes are love, jealousy, revenge, disaster, and adventure.

                                           (D)     

0225

Robert Frost was not well known as a poet until he reached the forties.

                     (A)         (B)            (C)                                      (D)