half of his books ----written in English A: are B: have 为什么不用have_英语解答

half of his books ----written in English A: are B: have 为什么不用have? 详细点

人气：165 ℃　时间：2020-04-06 21:45:49

解答

如果想用完成时的话,也应该是have been written
因为书是被写完的