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1·Be sure to plant some flowers in sunny areas.

一定要在阳光充足的地方种些花。

2·To be a polite guest, be sure to get there on time.

作为一个有礼貌的客人，一定要准时到达那里。

3·Be sure to drop your used aluminum cans and plastic bottles there.

一定要把你用过的铝罐和塑料瓶扔在那里。

4·Be sure to recycle everything you can in your house and school.

一定要回收你在家里和学校能回收的所有东西。

5·You must not touch it, or you would be sure to hurt your hand.

你不能碰它，否则你的手一定会受伤。

6·Be sure to understand the reasons behind the answers, or you won't make progress.

一定要理解答案背后的原因，否则你不会进步。

7·If you must fly, be sure to pack light to cut down the plane's load.

如果你必须坐飞机，一定要轻装上阵，减少飞机的载重。

8·Try and keep trying, and you'll be sure to successfully deal with any difficulty you meet with.

努力，继续努力，你一定能成功地应对你遇到的任何困难。

9·Be sure to call your child's teacher if you notice a change in your child's attitude toward school.

如果你注意到孩子对学校的态度发生了变化，一定要给孩子的老师打电话。

10·Be sure to do some eye exercises to relax your eyes after you study for a long period of time.

在长时间学习后，一定要做眼保健操来放松眼睛。