用所给词的正确形式填空
I am ____ (swim) now.
I ____ (swim) every Sunday.
听录音,填空
March 12 is ____ Day.
用所给词的适当形式填空
Lucy is ____(sing).
She ____(sing) every day.
写出下列单词的复数形式
scarf_______
knife_______
看图,将单词补充完整
The s_____ is red.
写出下列单词复数形式
tomato______
potato______
t_______
p______
c_____
g_______