问题补充:
单选题In1960,thiswasthelongestbridgethat__________.A.was ever builtB.had ever builtC.has ever been builtD.had ever been built
答案:
D解析由“was”可知要用过去时,又由“the longest”可知有比较意味,要用完成时。
时间:2022-02-01 04:30:21
单选题In1960,thiswasthelongestbridgethat__________.A.was ever builtB.had ever builtC.has ever been builtD.had ever been built
D解析由“was”可知要用过去时,又由“the longest”可知有比较意味,要用完成时。