As we all know ,Columbus          America and Edison         light bulbs.

— How long has Wanda Square_______? — It is more than five years________ it opened.

---Could you          me with information about Student Exchange Program?---Yes, of course. It’s on this piece of paper.

---The best time            Wuxi is in spring.---Yes, I think so. 

The French book must be Li Ying’s. She’s the only one who’s studying French.