单选Lucy's father was very strict with her and he never praised herLucy's father was very strict with her and he never praised her ____ she became one of the top students in her grade.A.afterB.unless C.untilD.whenB为什么不对?
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单选Lucy's father was very strict with her and he never praised herLucy's father was very strict with her and he never praised her ____ she became one of the top students in her grade.A.afterB.unless C.untilD.whenB为什么不对?
单选Lucy's father was very strict with her and he never praised her
Lucy's father was very strict with her and he never praised her ____ she became one of the top students in her grade.
A.after
B.unless
C.until
D.when
B为什么不对?
单选Lucy's father was very strict with her and he never praised herLucy's father was very strict with her and he never praised her ____ she became one of the top students in her grade.A.afterB.unless C.untilD.whenB为什么不对?
not ...until 是固定搭配 ,指的是“只有...才...“句中有个never 表示否定,根据句意,那当然就有until在后头了了
unless 指的是"除了"
如果用unless的话,主从句的时态不太搭配,或者把从句改为unless she would become (“除非”有将来的含义)。
简单来说就是not until 的变形用法,前半句中的never 起到了否定的作用,从而构成了这一结构。