第二语法和词汇知识(共15小题;每小题1分,满分15分) 从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。 We ____last night, but we went to the concert instead. A. must have studied B. might study C. should have studied D. would study
5. “Was his father very strict with him when he was at school?” “Yes. He had never praised him _______ he became one of the top students in his grade.”