. _______ the meeting room,he found all
问题:
. _______ the meeting room,he found all the parents already _______ there.
A.To enter; sitting
B.Stepping into;to seat
C.Entered; seat
D.Entering;seated
. _______ the meeting room,he found all the parents already _______ there.
A.To enter; sitting
B.Stepping into;to seat
C.Entered; seat
D.Entering;seated