帮忙做几道英语题!（句型转换,每空填一词）

帮忙做几道英语题!（句型转换,每空填一词）
What's the price of your sweater?
______ _____does yuor sweater_____?
It's time that we should go to shool.
It's time _____us_____go to shool.
You can sit down,or you can stand there.
You can_____sit down _____stand there.