how many wings does a butterfly have?

how many wings does a butterfly have? does a bird have wings how many legs does a spider have How many wheels does a jeep have? How many sides does a house have? How many (foot) does a monkey have? how many sides does a houes have How many sides does a circle have? how many sides does a snowflake have How many days does a year have? How many .does.have?造句 脑筋急转弯:How many sides does a circle have?