Those _________may leavetheclassroomnow.
问题:
Those _________ may leave the classroom now.
A.whohasfinished
B.whohavefinished
C.havefinished
D.whomhavefinished
Those _________ may leave the classroom now.
A.whohasfinished
B.whohavefinished
C.havefinished
D.whomhavefinished