tst眼镜好用吗:It's a feater in your cap.如何翻译?

It's a feater in your cap.如何翻译? There is ? in the tree. what's it? Can't you see it's a cat? It came to a well.In the well,it hear a frog.这里为什么可以省去frog's vioce It's a r_______jaket it's a party A:It's eight o'clock and Mary is still working in the office What is the smallest room in the world? It's a ---It's an interesting game .----Why not ___ us? A.join B join in When It's Springtime In Alaska It's ( ) ,in the drawer?