f language learning, has been discovered, is happening in the first year of life, so parents should talk much to their children during that period.

_____ this is only a small town, it’s crowded tourists who come here all year round

John and I will celebrate our fortieth wedding anniversary next month.—Oh, !

下列各句中，引用古诗文恰当的一项是（ ）

We should do what we can _____ theendangered animals.`–Yes, it’s duty_____ them.