Using a modal auxiliary: I can hardly believe that they hav
2024-08-22英语语法(00831)
Using a modal auxiliary: I can hardly believe that they have been waiting so long.
【正确答案】：I can hardly believe that they should have been waiting so long.
【题目解析】：参考教材P162
【正确答案】：I can hardly believe that they should have been waiting so long.
【题目解析】：参考教材P162
