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すぐ， 直ぐ
1. immediately, at once, right away, directly
2. soon, before long, shortly
3. easily, readily, without difficulty
4. right (near), nearby, just (handy)
5. honest, upright, frank, straightforward
立即，立刻
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変わる， 変る， かわる
1. to change, to be transformed, to be altered, to vary
2. to move to
3. to be different, to be uncommon, to be unusual
改变，变化
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
