We began to open to the outside world in the late 1970s. ,there have been great changes in the country.
It is usually not quite cold in this area in March, but sometimes temperature __________be very low.
--__________ was it_________ they discovered the entrance to the underground place? --Totally by chance.
The amount of money ______for the seriously sick child was soon collected.
Their tent, __________ light as a feather, remained firm in the storm last night.
--The news is spreading from mouth to mouth. --Yes, it has become__________ talk of__________ town.