The teacher wanted to teach the students all that he knows in the last lesson.
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Theteacher wanted to teach the students all that he knows in the last lesson.
试题答案
答案：
提示：| knows→knew由于主句的动词用的是过去式。
|
Theteacher wanted to teach the students all that he knows in the last lesson.
答案：
提示：| knows→knew由于主句的动词用的是过去式。
|