If you live in the country or have ever visited there, ______ are that you have heard birds singing to welcome the new day.
Each new way of looking at a situation deepens our understanding and makes ______ easier to discover new possibilities.
Why not stay at home ______ the road is so slippery after the heavy snow?
It is such ______ honor to take part in ______ celebration, so how could I make any mistake?
At the conference, Premier Li Keqiang urged all the government departments ______ effective measures to improve work efficiency.
_______to sunlight for too much time will do harm to one’s skin.