__ _ is well-known to all is that the 2010 Shanghai World Expo has been brought to an end.
The dark clouds are gathering. You’d better take your umbrella _______ it rains.
At the gate _______ two stone lions.
It’s hard for a woman to run after fashion as it _______ so quickly.
The twin brothers are very similar ______ appearance but quite different _____ hobbies.
Children experts suggest children ______ more time to play freely.