34. Electric vehicles will save a lot of air (pollute) ________ because there will be no emission of CO2 in the air.
举一反三
- Electric vehicles will save a lot of air (pollute)______ because there will be emission of CO2 in the air.
- 智慧职教: Electric vehicles will save a lot of air (pollute) _________ because there will be no emission of CO2 in the air.
- Electric vehicles will save a lot of air (pollute) __________ because there will be no emission of CO[img=7x14]17e0c442f6400f9.jpg[/img] inthe air.
- Electric vehicles will save a lot of air (pollute)______ because there will be no mission of CO2 in the air.
- Electric vehicles will save a lot of air (pollute) _________ because there will be no emmision of CO2 in the air.