例句：
Please, sir, can I open a window?
老師，請(qǐng)?jiān)试S我打開(kāi)一扇窗戶(hù)好嗎？
Please could I leave early today?
請(qǐng)問(wèn)，我今天早走一會(huì)兒行嗎？
What's your account number please?
請(qǐng)問(wèn)你的賬戶(hù)號(hào)碼？
Please could you speak more slowly?
請(qǐng)您說(shuō)慢一點(diǎn)好不好？