填空题 Smog-choked Southern California demands them. It's a car for people who never want to go to a gas station again. But the fact is, for all the talk, selling gasless machines has been a hard-sell.
  • A.demands
  • B.a
  • C.asless
  • D.hard-sell


  • 1、
【正确答案】 1、A应改为is demanding。    
【答案解析】[解析] A项的动词应用现在进行时的形式。