InEurope_______arethetwoleadingcontendersforaglobalreservationssystem.
C
暂无解析
The policeman came up to the lonely house with the door _______, _______ there for a while and then entered it.
As for family education, parents are encouraged to rely on ________ rather than punishment.
WhichofthefolloingisNOTincludedinthefabledFiveMountainsinChina?
Thehousewasquietinthenight,________theoccasionalcoughingfrommythroat.