2013年英语专业四级考试临近，特为大家准备以下考题，考题与考试题型完全吻合，希望能在最后的冲刺时间里给大家带来一点帮助。
51. There is no ___ in the world for her children.
A. love greater than a mother
B. love greater than that of a mother
C. love greater as a mother
D. great love as that of a mother
52. I didn't see her in the meeting-room this afternoon. She ___ at the meeting.
A. mustn't have spoken
B. shouldn't have spoken
C. needn't have spoken
D. couldn't have spoken
53. Pop music is such an important part of society ___ it has even influenced our language.
A. as
B. that
C. which
D. where
54. Just as the builder is skilled in the handling of his bricks, ___ the experienced writer is skilled in the handling of his words.
A. as
B. so
C. thus
D. like
55. __ it may be, there is no place like home.
A. As humble
B. Though humble
C. Humble as
D. If humble
56. New ideas sometimes have to wait for years __ they are fully accepted.
A. when
B. before
C. after
D. where