51. She accused the man ________ breaking into her house.
A) of
B) for
C) at
D) with(C)
52. He often stopped at the sound of his own steps and was afraid to look ________ shoulder.
A) over
B) back
C) round
D) beyond(C)
53. Go straight into the cave and find out what’s in there, ________?
A) don’t you
B) do you
C) will you
D) can you(B)
54. The persons that have the greatest influence ________ children are their teachers.
A) in
B) on
C) for
D) to(D)
55. Cambridge has announced plans to establish a business school ________ the master’s degree in business administration.
A) representing
B) presenting
C) offering
D) supplying(B)
56. Many Europeans ________ the continent of Africa in the 19th century.
A) exploded
B) explored
C) exposed
D) expanded(D)
57. The police are ________ the records of all those involved in the crime.
A) looking into
B) looking after
C) looking out
D) looking on(C)
58. Building that railway was very difficult and involved ________ ten tunnels.
A) dig
B) having dug
C) to have dug
D) digging(B)
59. ________ with the picture. Mary tore it to pieces.
A) Dissatisfying thoroughly
B) Being thoroughly dissatisfied
C) To dissatisfy thoroughly
D) To be thoroughly dissatisfied(C)
60. ________ you are familiar with the author’s ideas, try reading all the sections as quickly as you possibly can.
A) As long as
B) Ever since
C) So that
D) Now that(A)