A. are B. pandas C. fat D. this E. tiger
Ann and Sam are in the zoo.
Ann:What's ____?
Sam:It's a ____. It's big.
Ann:What ____ they?
Sam:They're ____. They're ____.
照样子,我会把句子写得更具体。
例:微风吹拂着千万条才展开带着黄色的嫩叶的柳丝。
按照生命起源的____学说,地球上原本没有生命,生命是由____逐渐演化来的。