What bird is essential to eating?

what is Bird Flu in Chinese? What bird is essential to eating? what is the bird doing?怎么回答? What bird is essential to eating? what colour is the bird 怎么回答 what is the smallest bird in the world What is the bird doing?的汉译 What bird is essential to eating?swallow中文是什麼意思 what can the bird 求解tell me what kind of bird this is?为什么是this is而不是is this? The desk is hard (改为否定句) The bird is pink (用what colour 提问) where is my bird The bird is whose bird is that? Is your mother cleaning the room?怎么回答?What time do you get up?What is the bird doing? A nest is to a bird ____________________________{就如房子之于} a man .{what} What is---------in the sky?A bird.A.this B.it C.that 选哪一个 ( ) a nice bird.Its name is polly.括号里填how还是what?