DOES A BIRD FLY?

why does the bird fly A bird can fly.(改为否定句) Can you fly ( ) like a bird? Fly a bird like 连词成句 Where does a bird live? does a bird have wings Jack sees a bird fly,fly可不可以加ing? I saw a bird fly to the north fly ing 是还是 fly Does a bird have two _____ (wing)? I w__ I could fly like a bird. There is a bird fly in the sky改错 A bird was seen___(fly)into the classroom yesterday.