He lives on ________ floor in thatbuilding.

There was a time __________ the people in my village lived a peaceful life, enjoying the beauty of nature.

35. The poor old man _____ blind when he was very young.

Micro blog is very popular with the young people.— . We all like it very much.

You don’t look well. What’s wrong with you, Wang Jing— Last night I did my homework and didn’t go to bed_______ 11 o’ clock.