are the blue hats on sale? — They are on sale for 100 dollars.[ ]

Well, let’s go to visit the amusement park 参观游乐园 this Saturday. —- That ______ great.

I saw Helen at the party last month. It _________ a year since we met last time.

　Chinese　tennis　player　Li　Na　won　a　championship　again!-　Yeah,　I　watched　the　game　and　my　spirits　_____　at　the　news.

You see, “Food Safety” receives thousands of Internet hits a day.—Obviously, it has become one of the _________ topics recently.