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At the meeting they discussed three different ______ to the study of mathematics.

A．a(chǎn)pproaches   B．means  C．methods   D．ways

At the meeting they discussed three different _______ to the study of mathematics.

A．a(chǎn)pproaches        B．means            C．methods          D．ways

At the meeting they discussed three different ______ to the study of mathematics.

A．a(chǎn)pproaches B．means C．methods D．ways

At the meeting they discussed three different         to the study of mathematics.

A．a(chǎn)pproaches      B．means       C．methods   D．ways

At the meeting they discussed three different_______to the study of mathematics。

A．a(chǎn)pproaches

B．means

C．methods

D．ways

At the meeting they discussed three different_______to the study of mathematics。

A．a(chǎn)pproaches　　 B．means　　 C．methods　　　 D．ways