At the meeting they discussed three different    ____  to the study of mathematics.
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A
approaches
B
means
C
methods
D
ways
推荐题目
--- How can I use iPhone 4s?--- Just refer to the _________.
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A
explanations
B
expressions
C
directions
D
Preparations
The prisoner was released early because of good ____________.
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A
conduct
B
praise
C
comment
D
condition
The boy failed four times, but he said he would try ___________.
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A
a five time
B
a fifth time
C
the five time
D
the fifth time