单项选择题A.occur toB.impact onC.spring fromD.dawn on
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
单项选择题A.forwardB.overC.beyondD.across