Lin Kai, hand in your homework, please.—Oh, sorry. I ______ it at home this morning.

My uncle’splane ____. Let’s wait for him here.

Don’t spoil the children. Can’t you make your little boy ______ himself?

填入下面一段文字横线处的语句，最恰当的一句是（ ）我们都会衰老。我镇定的注视着我的年纪，犹如眺望远方一副渐渐逼近的白帆，为什么要掩饰这个现实呢 。勇气不是储存在脸庞里，而是掌握在自己手中。

Most experts agree that washing hands regularly is a ______way to prevent the spread of many diseases.