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- How long can eternity last? Create eternity with your heart and believe it will last forever. 永远有多远，用心去创造，相信那就是永远。
- How Long Can The High Oil Price Last? 高油价还能持续多久?
- How long can the present business boom last? 目前这种商业繁荣能持续多久?
- How long can we hold out against these attacks? 我们对这些攻击能抵抗多久?
- How long can you stare without blinking your eyes? 你能瞪着看多长时间不眨眼?
- How long can you hold your breath for? 你能屏住呼吸多久?
- How long can a human being go (ie survive) without food? 人不吃东西能活多久?
- How long can you stare without blinking (your eyes)? 你能瞪著看多长时间不眨眼?
- How long can I know the result of the examination? 我多久可以知道结果?
- How long can you balance yourself on one foot ? 你用一只脚能站立多久?
- How long can you hop on your right foot ? 你用右脚能跳多远?
- How long can you hop on your right foot? 你用右脚能跳多远?
- The question is whether such splurges are efficient and how long can they last. 问题在于这样大把大把砸钱是否有效，其效果又能持续多久。
- How long can you balance yourself on one foot? 你用一只脚能站立多久?
- Excuse me,how long can I keep these books? 请问，这些书我可以借多久?
- How long can you balance on one leg? 你单腿能站多久?
- In the game how long can you adhere to? 在游戏中你又能坚持多久呢?
- How long can I live in the universe? 寓形宇内复几时?
- How long can i use your free hosting? 你的空间,我能够使用多久?
- How long can they continue this damaging strike? 这场可恶的罢工,他们还能继续多久?
