A)choose the right variant 1.could you tell me what cars have on the environment/cars have on the environment)? 2.please,explain has changed the world/has technology changed the world). 3.i don't know were invented/were computers invented). 4.have you any idea people are crazy/are some people crazy)about new gadgets. 5. i /that)computers will live far into the 21st century. 6.please tell me what new you fell like/you feel like)buying. 7.do you happen to know by first space rocket was constructed/was the first space rocket constructed)?
