问题
选择题
— Was his father strict with him when he was at school? — Yes. He had never praised him ______ he became one of the top students in his grade. |
A. after B. unless C. until D. when |
答案
答案:C
— Was his father strict with him when he was at school? — Yes. He had never praised him ______ he became one of the top students in his grade. |
A. after B. unless C. until D. when |
答案:C