六年级英语首字母 答对另给悬赏.

六年级英语首字母 答对另给悬赏.
Today is Sunday.Ted and his father are at home.They are moving to a new house.His father wants to put the books in some b_____ ,but he can't find any e_____ boxes.Ted tells tim the boxes are in the next room.T_____ he brings them to his father.They put the books in the boxes.The boxes are f_____ now.They carry them o_____.There are no boxes f_____Ted's toys.So he puts his toys in some bags.The bags of toys are very heavy.He can't c_____ them.He a_____ his father to help.His father takes the heavy bags and he takes the l_____ ones.Ted h_____ his father and his father helps him.They help each other.
f_____是填filled还是filling？o______是填out还是on?为什么？