Look!The boy ________ his father ________ a kite.
问题描述：
Look!The boy ________ his father ________ a kite.
答
Look! The boy and his father are flying a kite
意思是：看！那个男孩和他的父亲在放风筝
look！用于现在进行时态 而现在进行时态的结构是be+Ving 是两个人所以用are 所以后面应该是那个男孩子正在和他的父亲放风筝。
答
and are fling
答
is helping/ make
答
helps fly
答
Look!The boy and his father are flying a kite..
答
and、 flying
意思是：看！那个男孩和他的父亲在放风筝。
不懂可以追问。
答
Look ! The boy ( and ) his father ( with ) a kite .