Since the early 1990s, several clinics have been ___________ in the US to treat heavy Internet users.
A: eatablished
B: found
C: measured
A: eatablished
B: found
C: measured
举一反三
- Sales of CDs have greatly increased since the early 1990s, when people ___________ to enjoy the advantages of this new technology.
- Since the early 1990s, globalization has...change to the world.
- It is not rare in that people in their fifties are going to university for furthereducation.( A: 1990s B: the 1990 C: 1990's D: the 1990s
- 是1990s还是1990’s
- He's been working in the field ______ early this morning. A: for B: after C: since D: by