them (主格)____ us(主格)____ 横线上该填什么?
It took them ____ to finish this work.横线上应该填什么?ten minutes还是
them主格
It's dangerous ____ play with matches.横线上该填什么单词?适当词填空.
Someone here ____ (not be) polite and helpful 横线上该填什么
Please look after ____接宾格还是主格
The noise ____ ____ ____ (吵醒我)many times last night.横线上填什么?
me(主格)---主格是什么?那么后面填什么?
Oh,____ is it?横线上填什么?
What at about ____(swim)together横线上填什么
Here is a set ____ keys横线上填什么?
____ are the students from?横线上填什么
them的主格,us的主格,cherry的复数,their的同音词.