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

Put your money away. It’s on me. I wouldn’t hear of it.—-If you insist, but next time it’s my __________.

Seven graduates the position of the manager’s secretary, and it finally went to Eliot.

I wonder when they ________ for Beijing. I willgo to the train station to see them off when they _______.

ad made up his mind to give it up, but on_________ second thought he determined to have __________ third try.