问题描述:
sit、seat、sitting、seating的用法问题
___in the chair,Mary was lost in thought.A.Seated B.Seating C.Having seated D.Being seated.怎么分析?
___in the chair,Mary was lost in thought.A.Seated B.Seating C.Having seated D.Being seated.怎么分析?
问题解答:
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