A former CCTV presenter ________ Chai Jing has released a documentary “Under the Dome”, which is inspired by her sick daughter.

，the wind died down and people began to appear on the street

I think that you have made rapid _____ in math.

Thank you for _____________ CCTV’s AroundThe World show.

He will be the only student____ to Peking University in our class. [ ]