We can often see ice here in winter because the temperature usually stays__________ zero.
We should learn from our so that we won't repeat them.
—How can I make full use of my time? —Make a clear timetable first.
—Tokyo will host 2020 Sumner Olympics. —Really? It will be first Asian city to host the Olympics twice.
Only _________ save his life.
—What do you think of the songs? —In fact, ________ of them sounds beautiful.