Mark the letter A, B, C or D to indicate the underlined part that needs correction in each of the
following sentences.
51. According to the results of a survey which conducted by a USA magazine, there isn't really
A
B
с
a generation gap.
D
52. The survey shows that today's generation of young people generally get along well with their
A
B
parents and appreciate the way they're being risen.
C
D
53. His parents asked him to buy books which he found them useful and necessary for his study.
A
B
C
D
54. The number of articles published on the generation gap are really amazing.
B
C
D
A
55. With the discovery of the new material, the equipment are greatly improved.
A
B
C
D