你好! 正确答案为：

_Are_you busy now?No,I _am___NOT.

What _is_____two and four?IT__is_SIX.


I __am___a student.My sister is_a nurse.My parents____are___doctors.

The birds ___are__flying in the sky.
Lucy ___is__from America
What __are____these in English?They are chairs.
Their classroom __is___on the first floor
Where ___are____his pencils?Oh,on his bag.
His father ____is___at home.
My sister and I _are___university students


^___^祝你学习进步!
如果对你有所帮助,请千万别忘记采纳哟!