——Tina, is this schoolbag? ——Yes,it’s mine.
We don't have_______ salt at home. Could you go and get _______, please?
---Excuse me, when is the Christmas party of our school? ---This year, it's_______18:00_______ Monday evening.
I was not quite sure __________.
—Haven’t you been to the Great Wall?—__________, but I will go there with my family one day.
I often see my mother __________ chess with my father after supper.