Which questions do you not know the
answers to?Which ones do you need more
information on?上面的句子来自2019版人教版高中英语新教材必修一的 Unit 4(p57)。请问句末的介词起什么作用?为什么要加这个介词呢?可以不要吗?
1. 这是一小段改错题的文章,是照答案改过后的正确的:
Over the years, I've heard a fair number of slurs shouted at campus cops. Seldom were they "pig" or "fascist." Far more often, they diminished the power of the officer, using words like " fake cop" or "rent-a-cop". This is ...