He __________ well in the exam last week, so he __________ hard now.A. did, studied B. didn't, is studying C. didn't do, is studyingD didn't, studying
China is _______ Asian country while Germany is _______ European country.
I really need to take more exercise because I'm ______ weight.
One of the best ways for people to keep healthy is to _____ good eating habits.
—The price of food, drinks, clothes _____ so quickly these years. —Oh, no, but I don’t think so.
Just be _______, you can’t make such great progress in a day. It takes time.