—Why does the lake smell terrible?—Because large quantities of water______.
Nowadays almost everyone prefers to use a smart mobile phone ______ functions are more practical.
Today there are more airplanes ______ more people than ever before in the skies.
— Do you mind my opening the window? It’s a bit hot in here.— ______________,as a matter of fact.
The best moment for the football star was ______ he scored the winning goal.
The play ______ next month aims mainly to reflect the local culture.