Since the beginning of 2013, these regul... across the century.
举一反三
- Since the beginning of 2013, these regulations ____________ in most workplaces across the country.
- Since the beginning of this century, ______ has become even more important for the expansion of English vocabulary.
- When did the idea of the UN originate A: At the beginning of the 18th century. B: In the middle of the 18th century. C: In the late 18th century. D: At the beginning of the 19th century.
- ___ has been known for about a hundred years, its commercial development has taken place since the beginning of the century. A: Which B: While C: That D: As
- When was this town built A: In the 13th century, B: In the 14th century. C: In the 15th century. D: In the 16th century.