10 years ago, _________ only one classroom building in our school. And in 10 years, _________ five classroom buildings in our school.
(原创)Can your sisiter clean her room ______ weekdays?
(原创) Wang Lin, ______be noisy in class!
Now I'm at the ______.I'd like to buy a skirt for my daughter.
It's twelve o'clock now. The Greens ______ lunch at home.
—______ do you go to the supermarket?—Because I want to buy some vegetables.