Katrina,what's the - of learning English?Try to use it as much as possible.-选择什么?

Katrina,what's the - of learning English?Try to use it as much as possible.-选择什么?
Katrina,what's the - of learning English?Try to use it as much as possible.
-选择什么?

Katrina,what's the - of learning English?Try to use it as much as possible.-选择什么?
我了歌曲 选项都没给……

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Qns: Katrina, what's the (use) of learning English.
Ans: Try to use it as much as possible.