The Internet celebrated its birthday on September 2nd, by which time 40 years _______ since the first successful transfer of data between two computers

The government has decided to give preference to those environmently-friendly business and companies in all aspects in _______ of sustainable development.

I really apologize for not being able to join in your birthday party.–________. We’ll get together later.

Competition, they believe ________the national character rather than weaken it.[ ]

I _______ becoming a model.