Great changes _____ in China in the past 30 years and many Chinese are living a happy life today

.— Who would you like ______ to the ballwith—Of course Mary. We’ll start at 6:30 andtry to get there before 7:00.

－Where do you plan to work?－I’ve made up my mind to go______ I’m most needed．

uite impossible that it will raintomorrow. But if it _______, I would still go to the park.

Obviously, the boss looks happy again, doesn’t he—Yes. It’s said that he has ______ the difficult problem.