1.C: Yes, I'd like a roud-trip ticket from Chicago to Miami , leaving on Friday, the 28thand returning on monday, the 31th .
我要买芝加哥到迈阿密的来回机票，28日星期五去，31日星期一回来。
2.He takes a walk roud London visiting a series of landmarks in a particular order.
他先到伦敦走一圈，以特定的顺序走访一些地标。
3.There are many small diamonds roud the big one. They are twinkling stars.
大钻石周围有许多小钻石，它们便是闪烁的群星。