英语说话力 35. Be sure to... 一定要……

35. Be sure to... 一定要……

Be sure to turn off the lights before you leave.

请你在离开前务必关灯。

Be sure to arrive at the airport on time.

请一定要准时抵达机场。

Be sure to keep your belongings with you/safe.

请一定要保管好您的随身物品。

常用英语口语