句型转换.根据要求进行句型转换.
1.we need to buy TEN slices of bread.(对大写部分提问)
—— ——slices of bread——you——to buy?
2.my aunt SWEPT THE FLOOR after supper.(对大写部分提问)
—— —— —— aunt——after supper?
3.there was a singing competition LAST WEEK.(用tomorrow改写句子)
there —— —— —— —— a singing competition tomorrow.