Dr.Yangworked______threedaysago.
C
暂无解析
Asthepressure____,theliquidrockisforcedupthroughchannelsintheresistantrocktotheearth’ssurface.
Nowhereinnatureisaluminumfoundfree,owingtoitsalways____withotherelements,mostcommonlywithoxygen.
ProjectHopeisanorganization_____raisesmoneytobuildschoolsandbuybooksforpoorchildren.
____isnoreasonfordischargingher.