The fact that so many people still smoke in public place _______that we may need antionwide campaign to raise awareness of the riks of smoking.

A few months after he had arrived in China, Mr. Smith ___________ in love with the people and culture there.

Recentlyasurvey_______pricesofthesamegoodsintwodifferentsupermarketshascausedheateddebateamongcitizens.

Between the two parts of the concert is an interval, __________ the audience can buy ice-cream.

China'simageisimprovingsteadily,withmorecountries__________itsroleininternationalaffairs.