It’s _____ to speak loudly at the table in western countries.

Jane won the first prize in the English speech contest．—______big progress she has made!She used to be weak in English．

I remember there _____ a lot of fish in Yanglan Lake. Now it has been polluted.–What a pity! I think we should play a role in protecting the environment.

_)I had not believed in falling in love with somebody at first sight_______I met David on Valentine’s Day three years ago

How many birds can you see in the trees—I can see _________ birds in them.