-Was his father very strict with him when he was at school?

-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.before C.until D.unless
英语人气:941 ℃时间:2019-08-20 13:31:13
优质解答
B.before
他上学的时候他父亲对他很严格吗?
是的,在他成为年级优秀生之前他父亲从没表扬过他.
只有BC意思上是成立
但是not until句型主句不用完成时
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