When ______ the car ________?选项:a、did,invent b、was,invented

When ______ the car ________?选项:a、did,invent b、was,invented when was the car invented Whom was tea ( ) A invent by B invented of C invented by D i Who ▁the paper in the world?Cai Lun▁.A invented；did B was in when did they invent the personal comp 选取：1 Do you know when the telephone----?A was invented B inv .When was _____ umbrella _____?A.an; invented B.the; invente when was the black tea ____ A planted B invented 哪个对 when do you think ——? A,was the microwave oven invented B th What was invented before the car?为什么 The car was invented by him. A:When was the telephone invented,do you know?