birds can fly,birds fly两者的区别.
birds can fly,birds fly两者的区别.
The birds can ( )(fly).
Can birds fly?----- Yes,() can
All birds can't fly.
All birds can't fly=Not all birds can fly.吗?All birds can't
The birds can't fly without w_____
__ birds can fly in the sky.
Birds can't fly without w____.
not all birds can fly翻译
Birds fly是主谓结构.那 Birds can fly 是什么结构?
Birds fly in the sky的意思
fly,birds,can,they,can't怎么排序