Decades of（）might have been partially responsible for our ignorance of development abroad.
A: insulation
B: irrigation
C: integration
D: isolation
A: insulation
B: irrigation
C: integration
D: isolation
举一反三
- Decades of isolation might have been partially responsible for our ignorance of<br/>development abroad. A: cut down B: cut off C: close down D: close off
- ______ for the fact that his father was in hospital, he might have gone abroad. A: Hadn"t it been B: Had it not been C: Were it not D: Was it not
- Our products have been sold in a number of areas abroad. They are very popular with the users there.(英译汉)
- Have you ever been abroad? Where have you been
- There have been UFO reports for ______. A: 15 years B: 50 years C: six decades D: four decades