There was to be more use, where necessary and if carefully monitored, of ______ capital re

______ that the earth was flat？A．Used it to be thoughtB．Did it used to be thoughtC．Was it

There was no use ____ a dam where there was no water.A: to buildB: buildC: to building

There used to be an old city here, which was （)under the river about 2000 years ago.A、

E Sunday is more like Monday than it used to be, Places of business that used to keep dayt

阅读:Social change is more likely to occur in societies where there is a mixture of different

When he was a boy he used to go there and watch _____.A.to repair bicyclesB.bicycles to be repaired