for many years,people _____ electric cars.For many years,people____electric cars.however,making them has been more difficult than predicted.A had dreamed of B have dreamed of C dreamed of D dream of

问题描述:

for many years,people _____ electric cars.
For many years,people____electric cars.however,making them has been more difficult than predicted.
A had dreamed of B have dreamed of C dreamed of D dream of

B

确实是B

B
好几百年以来,人们一直梦想...