“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.”
A.after | B.unless |
C.until | D.when |
推荐套卷
“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.”
A.after | B.unless |
C.until | D.when |