.---You have been on tour for a week in our city during May Day. What do you think about it?---Oh, what _______different Nanjing! It isn’t _______I saw last.
_____ he works hard, I don’t mind when he finishes the experiment.
Antarctic _____ we know very little is covered with thick ice all the year round.
They decided to chase the cow away _____ it did more damage.
We often think of the days _____ we spent together on the island.
After supper she would sit down by the fire,sometimes for _____ an hour,thinking of her young and happy days.