河南省长垣县第十中学高中英语必修二(人教版)课件:Unit2 Learning about language
河南省长垣县第十中学高中英语必修二(人教版)课件:Unit2 Learning about language第3页

5. happening every time with the same amount of time in between— 6. to take the place of — 7. short sentence or phrase expressing the beliefs of a person or group —

regular basis

replace

motto