Which of the following sentences is RIGHT?

A. I am convenient to go there by train.

B. I go there by train at convenience.

C. It is convenient for me to go there by train.

D. It is convenience for me to go there by train.

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假定你是高中學生李華，你的美國朋友Jim即將升入中國的一所高中學習，想讓你給他一些學習建議。請你給他寫一封電子郵件，內(nèi)容包括：

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Dear Jim,

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Yours,

Li Hua

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