所以我必须学好英语。
我要用英语教外国人汉语,所以我必须学好英语。
I'm going to teach foreigners Chinese in English, so I must study English well.
我希望我能有一天能够环游世界。所以我必须学好英语。
I hope I can travel around the world someday. So I must learn English well.
因为英语很重要,所以我们必须学好它。
Because English is very important, so we must learn it well.
因为英语很重要,所以我们必须学好它。
Because English is very important, so we must learn it well.
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