National Day ________ people singing and dancing happily in the street.[ ]

I’m allowed to go out with my friends on Fridaynights.— ________________.

We are lucky to be among the generation ofpeople who have ________ and experienced the great social changes in ourcountry.

She was so seized by panic from H7N9 that not a bird _______________.

Many migrant workers, city life, wouldn’t like to move back to the countryside.