The emergence of the helicopter has brought about the great advances in infantry mobility.
举一反三
- On the one hand ,it has brought mobility to millions of people.
- What _____ this damage? A: has brought to B: brought up C: has brought in D: brought about
- Globalization brought about great changes in our life. The most dramatic change is found in _____.
- Napoleon's army now advances and the great battle _______. A: begin B: begins C: has begun D: had begun
- The student has great ____ about what happened yesterday.