务必确保你要学会游泳.因为这有可能意味着生还是死.
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务必确保你要学会游泳,因为这有可能意味着生还是死。(Make sure)
试题答案
Make sure(that)you learn to swim, because it may mean the difference between life and death.
务必确保你要学会游泳,因为这有可能意味着生还是死。(Make sure)
Make sure(that)you learn to swim, because it may mean the difference between life and death.