问题
选择题
_______ the classroom, the teacher found all the parents already______ there. [ ]
A. Entered; seated
B. Entering; seating
C. Entered; seating
D. Entering; seated
答案
答案：D
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_______ the classroom, the teacher found all the parents already______ there. [ ]
A. Entered; seated
B. Entering; seating
C. Entered; seating
D. Entering; seated
答案：D