The documentary A Bite of China II《舌尖上的中国》is quite popular around China recently.—What do you think of

en’t finished my report, but I promise I ______ it by the end of the week.

The _______ income of the common people has beengreatly increased in the past thirty years ______ the reform and opening-uppolicy in China.

How much are the black socks —__________________.

times, but he still didn’tunderstand it.