Are you guys ready for “The Campus Singers Competition”?—Sure！Since we are young, try it, _____ we will regret!

Can you tell me when the plane _______ to Hong Kong this evening

28The officer was very concerned ________ the latest development in the case because he was concerned ________ it

I have ever lived in New York and London, ______________I don’t like either city.

Normally, it will be quite a few years _______ an earthquake-stricken area returns to what it used to beBut Wen Chuan in China has created a miracle.[ ]