It’s traditional in China to firecrackers on Spring Festival. —-But the serious smog（雾霾）nowadays needs us to stop it.

The article in The Times gives us a real ______ into the causes of the present economic crisis.

Jane didn’t follow our advice that she ___ more attention to her pronunciation.

Mr. White will come to the party on Sunday,_______ he promised to every one of us.

The word _____ can be used as an adjective .