It is already the (know) __________ fact that we are developing at a fast speed.
举一反三
- We can’t _______ the fact that we are still a developing country.
- We know ____ travels not so fast as light.
- ________is developing with great speed.
- The economy of our country is developing with a __________ speed.
- We must keep in mind the fact _____ China is still a developing country. A: whethe B: that C: why D: when