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INTERMEDIATE LEVEL

like: Silvio, tôi có thể mượn cậu cái ô được không? Silvio, cho tôi mượn cái ô được không? → →

Silvio, can I borrow your umbrella? > Silvio, could I borrow your umbrella? ☊

Silvio, tôi có thể mượn cậu cái ô được không? Silvio, cho tôi mượn cái ô được không? ☊