看图，完成句子
Birds can f___, but cows can't.
看图，将单词补充完整
A man walks in the m____.
看图填空
In the picture, we can see two dogs in r____ clothes.
填空
--What can a bird do?
--A bird can f____.
h_____
m_____
r_______
g______
s______
c______
