中国大学MOOC: Our company _______ a leader in the Promotional Products Industry for more than 90 years.
举一反三
- Our company _______ a leader in the Promotional Products Industry for more than 90 years. A: is B: will be C: was D: has been
- Our company has more than 20 years’e__________ in the field.
- ____________ for more than 20 years, Chinese tourism has become the dragon business of the third industry of our country.
- 中国大学MOOC: More importantly, our products are the _________ products of its kind.
- 中国大学MOOC: According to Steve Jobs, what were two milestone products in our industry to date?