根據(jù)圖片故事選擇單詞填空。

A.under B.small C.use D.protect E.weeks

Birds have two wings.Most birds（1） C C their wings（ 翅膀） to fly.	A baby bird can take several（2） E E to learn fly.	Some birds have wings but cannot fly.For example，an ostrich（ 鴕鳥） cannot fly.Its wings are too （3） B B .
A penguin（企鵝） uses its wings（4） A A the water.	Sometimes the colours on moths'（飛蛾）wings（5） D D them，too.Hungry animals can't see them easily.	People make machines with wings.People like flying，too!