(2013·济南二模)It was during the Ming Dynasty ________ the Great Wall was repaired and extended to take on the appearance it has today

The small mountain villagewe spent our holiday two years ago lies in Hubei.

Do you know the latest film Zootopia (疯狂动物城)— Of course, I like it very much. I _________ the film several times.

I don’t like doing the cleaning, because it is ________.

_____many times, they succeeded_________ the experiment.