We are in a difficult position in____ we have nobodyproperly qualified for this work

The world has been shaken by a huge financial crisis since 2007; thanks to each country’s powerful policies, the international trade is improving _________ day by day

White doesn’t look good _______ you,but you look cool _____ black.

Many of my classmates think Wang Han is_____host in Hunan TV Station.

What _____ pity that you couldn’t be there to receive ________ prize!