When ______ the car ________?选项:a、did,invent b、was,invented c、does,inven
问题描述：
When ______ the car ________?选项:a、did,invent b、was,invented c、does,inven
When ______ the car ________?
选项:
a、did,invent
b、was,invented
c、does,invent
d、in,invented
答
b、was, invented
变成陈述句是:
the car was invented (ten years ago)
汽车 是(十年前)发明的.
因为是被动的,AC不对.
又因为过去时,所以选B