单项选择题A.retainB.containC.reviveD.sustain
单项选择题A.loyaltyB.faithC.prospectD.anticipation
单项选择题A.speciesB.specimensC.creaturesD.beings
填空题The medicine which can be used to remove aches or pains is ______.
单项选择题A.forwardB.overC.beyondD.across