Review4：复习四
一只小鸟筑了一个鸟巢。
He did his best.他尽了最大的努力来完成。
Along came a guest,之后来了一个客人,
they all sat in the nest.他们一起坐在鸟巢中。
But the guest didn't say, 可是客人并没有说，
"I feel good in this nest"“在这鸟巢里好舒服”
So our birdie went west to make a bigger.于是我们的小鸟往西飞去筑一个更大的鸟巢。
词义解析：
1.birdie：小鸟
2.nest：鸟巢
3.guest：客人
