there uesd to be (be)some small coal mines(煤矿)here,didn't there?Yes,there_(do),they were closed by the government last y
问题描述：
there uesd to be (be)some small coal mines(煤矿)here,didn't there?Yes,there_(do),they were closed by the government last year.
答
There used to be.,didn't there?或者usedn't there?都正确.此题回答Yes,there did.假如There used to be some small coal mines here,usedn't there?回答就用Yes,there used （to）.