— ______people travel every year?— Perhaps when we are talking about it. More than 100 planes have taken off around the world.
Every day students in our school will do outdoor activities ______ there is a heavy haze(雾霾).
Could you tell us _______ we are going to have the meeting this Friday afternoon?
The new software can help us call a taxi immediately, so we _______ wait too long.
100,000 yuan is a large amount of money, but it’s _______ than we need for the new flat.
There _______ a football match between these two teams in Shanghai Indoor Stadium.